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Charles Proteus Steinmetz (born Karl August Rudolph Steinmetz, April 9, 1865 – October 26, 1923) was a German-born American
mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...
and
electrical engineer Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...
and professor at
Union College Union College is a private liberal arts college in Schenectady, New York. Founded in 1795, it was the first institution of higher learning chartered by the New York State Board of Regents, and second in the state of New York, after Columbia Co ...
. He fostered the development of
alternating current Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current (DC) which flows only in one direction. Alternating current is the form in whic ...
that made possible the expansion of the
electric power industry The electric power industry covers the generation, transmission, distribution and sale of electric power to the general public and industry. The commodity sold is actually energy, not power, e.g. consumers pay for kilowatt-hours, power multipli ...
in the United States, formulating mathematical theories for engineers. He made ground-breaking discoveries in the understanding of
hysteresis Hysteresis is the dependence of the state of a system on its history. For example, a magnet may have more than one possible magnetic moment in a given magnetic field, depending on how the field changed in the past. Plots of a single component of ...
that enabled engineers to design better electromagnetic apparatus equipment, especially
electric motor An electric motor is an Electric machine, electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a Electromagneti ...
s for use in industry. At the time of his death, Steinmetz held over 200 patents. A genius in both mathematics and electronics, he did work that earned him the nicknames "Forger of Thunderbolts" and "The Wizard of Schenectady".
Steinmetz's equation Steinmetz's equation, sometimes called the power equation, is an empirical equation used to calculate the total power loss (core losses) per unit volume in magnetic materials when subjected to external sinusoidally varying magnetic flux. The equatio ...
,
Steinmetz solid In geometry, a Steinmetz solid is the solid body obtained as the intersection of two or three cylinders of equal radius at right angles. Each of the curves of the intersection of two cylinders is an ellipse. The intersection of two cylinders ...
s, Steinmetz curves, and Steinmetz equivalent circuit are all named after him, as are numerous honors and scholarships, including the
IEEE Charles Proteus Steinmetz Award The IEEE Charles Proteus Steinmetz Award is a technical field award given to an individual by the Institute of Electrical and Electronics Engineers (IEEE), for major contributions to standardization within the field of electrical and electronic ...
, one of the highest technical recognitions given by the
Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operation ...
professional society.


Early life and education

Steinmetz was born Karl August Rudolph Steinmetz on April 9, 1865, in Breslau,
Province of Silesia The Province of Silesia (german: Provinz Schlesien; pl, Prowincja Śląska; szl, Prowincyjŏ Ślōnskŏ) was a province of Prussia from 1815 to 1919. The Silesia region was part of the Prussian realm since 1740 and established as an official p ...
,
Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an em ...
(now
Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...
,
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
) the son of Caroline (Neubert) and Karl Heinrich Steinmetz. He was baptized as a
Lutheran Lutheranism is one of the largest branches of Protestantism, identifying primarily with the theology of Martin Luther, the 16th-century German monk and reformer whose efforts to reform the theology and practice of the Catholic Church launched th ...
into the
Evangelical Church of Prussia The Prussian Union of Churches (known under multiple other names) was a major Protestant church body which emerged in 1817 from a series of decrees by Frederick William III of Prussia that united both Lutheran and Reformed denominations in Pr ...
. Steinmetz, who stood only four feet tall as an adult, had
dwarfism Dwarfism is a condition wherein an organism is exceptionally small, and mostly occurs in the animal kingdom. In humans, it is sometimes defined as an adult height of less than , regardless of sex; the average adult height among people with dw ...
,
hunchback Kyphosis is an abnormally excessive convex curvature of the spine as it occurs in the thoracic and sacral regions. Abnormal inward concave ''lordotic'' curving of the cervical and lumbar regions of the spine is called lordosis. It can result fr ...
, and
hip dysplasia Hip dysplasia is an abnormality of the hip joint where the socket portion does not fully cover the ball portion, resulting in an increased risk for joint dislocation. Hip dysplasia may occur at birth or develop in early life. Regardless, it doe ...
, as did his father and grandfather. Steinmetz attended Johannes Gymnasium and astonished his teachers with his proficiency in
mathematics Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...
and
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
. Following the Gymnasium, Steinmetz went on to the
University of Breslau A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, th ...
to begin work on his undergraduate degree in 1883. He was on the verge of finishing his doctorate in 1888 when he came under investigation by the German police for activities on behalf of a
socialist Socialism is a left-wing economic philosophy and movement encompassing a range of economic systems characterized by the dominance of social ownership of the means of production as opposed to private ownership. As a term, it describes the e ...
university group and articles he had written for a local socialist newspaper.


Socialism and technocracy

As socialist meetings and press had been banned in Germany, Steinmetz fled to
Zürich Zürich () is the list of cities in Switzerland, largest city in Switzerland and the capital of the canton of Zürich. It is located in north-central Switzerland, at the northwestern tip of Lake Zürich. As of January 2020, the municipality has 43 ...
in 1888 to escape possible arrest.
Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...
Professor Ronald R. Kline, author of ''Steinmetz: Engineer and Socialist'', contended that other factors were more directly involved in Steinmetz's decision to leave his homeland such as being in arrears with his tuition at the university and life at home with his father, stepmother and their daughters being tension-filled. Faced with an expiring visa, he emigrated to the United States in 1889. He changed his first name to "Charles" in order to sound more American, and chose the middle name "
Proteus In Greek mythology, Proteus (; Ancient Greek: Πρωτεύς, ''Prōteus'') is an early prophetic sea-god or god of rivers and oceanic bodies of water, one of several deities whom Homer calls the "Old Man of the Sea" ''(hálios gérôn)''. ...
", a wise hunchbacked character from the ''
Odyssey The ''Odyssey'' (; grc, Ὀδύσσεια, Odýsseia, ) is one of two major Ancient Greek literature, ancient Greek Epic poetry, epic poems attributed to Homer. It is one of the oldest extant works of literature still widely read by moder ...
'' who knew many secrets, after a childhood epithet given by classmates Steinmetz felt suited him. Despite his earlier efforts and interest in socialism, by 1922 Steinmetz concluded that socialism would never work in the United States, because the country lacked a "powerful, centralized government of competent men, remaining continuously in office", and because "only a small percentage of Americans accept this viewpoint today". A member of the original
Technical Alliance The Technical Alliance was a group of engineers, scientists, and technicians based in New York City, formed towards the end of 1919 by American engineer Howard Scott. The Alliance started an ''Energy Survey of North America'', aimed at documenting t ...
, which also included
Thorstein Veblen Thorstein Bunde Veblen (July 30, 1857 – August 3, 1929) was a Norwegian-American economist and sociologist who, during his lifetime, emerged as a well-known critic of capitalism. In his best-known book, ''The Theory of the Leisure Class'' ...
and
Leland Olds Leland Olds (December 31, 1890 – August 5, 1960) was an American economist interested in labor, development of public electric power, and ecology. Education Olds was a son of George Olds, president of Amherst College. He studied mathematics ...
, Steinmetz had great faith in the ability of machines to eliminate human toil and create abundance for all. He put it this way: "Some day we make the good things of life for everybody".


Electrical engineering

Steinmetz is known for his contribution in three major fields of alternating current (AC) systems theory:
hysteresis Hysteresis is the dependence of the state of a system on its history. For example, a magnet may have more than one possible magnetic moment in a given magnetic field, depending on how the field changed in the past. Plots of a single component of ...
,
steady-state In systems theory, a system or a process is in a steady state if the variables (called state variables) which define the behavior of the system or the process are unchanging in time. In continuous time, this means that for those properties ''p'' ...
analysis, and
transients Transience or transient may refer to: Music * ''Transient'' (album), a 2004 album by Gaelle * ''Transience'' (Steven Wilson album), 2015 * Transience (Wreckless Eric album) Science and engineering * Transient state, when a process variable or ...
.See also
IEC The International Electrotechnical Commission (IEC; in French: ''Commission électrotechnique internationale'') is an international standards organization that prepares and publishes international standards for all electrical, electronic and r ...
Electropedia The International Electrotechnical Vocabulary (IEV) serves to promote the global unification of terminology in the field of electrotechnology, electronics and telecommunications. It is developed by International Electrotechnical Commission, IEC T ...
's
hysteresissteady state of a systemcomplex number
an
transient behaviour


AC hysteresis theory

Shortly after arriving in the United States, Steinmetz went to work for Rudolf Eickemeyer in
Yonkers, New York Yonkers () is a city in Westchester County, New York, United States. Developed along the Hudson River, it is the third most populous city in the state of New York, after New York City and Buffalo. The population of Yonkers was 211,569 as enu ...
, and published in the field of magnetic hysteresis, earning worldwide professional recognition. Eickemeyer's firm developed
transformer A transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying magnetic flux in the transformer' ...
s for use in the transmission of electrical power among many other mechanical and electrical devices. In 1893 Eickemeyer's company, along with all of its patents and designs, was bought by the newly formed
General Electric General Electric Company (GE) is an American multinational conglomerate founded in 1892, and incorporated in New York state and headquartered in Boston. The company operated in sectors including healthcare, aviation, power, renewable energ ...
Company, where Steinmetz quickly became known as the engineering wizard in GE's engineering community.


AC steady state circuit theory

Steinmetz's work revolutionized AC circuit theory and analysis, which had been carried out using complicated, time-consuming
calculus Calculus, originally called infinitesimal calculus or "the calculus of infinitesimals", is the mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithm ...
-based methods. In the groundbreaking paper, "Complex Quantities and Their Use in Electrical Engineering", presented at a July 1893 meeting published in the American Institute of Electrical Engineers (AIEE), Steinmetz simplified these complicated methods to "a simple problem of algebra". He systematized the use of
complex number In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted , called the imaginary unit and satisfying the equation i^= -1; every complex number can be expressed in the form ...
phasor In physics and engineering, a phasor (a portmanteau of phase vector) is a complex number representing a sinusoidal function whose amplitude (''A''), angular frequency (''ω''), and initial phase (''θ'') are time-invariant. It is related to ...
representation in electrical engineering education texts, whereby the lower-case letter "j" is used to designate the 90-degree
rotation Rotation, or spin, is the circular movement of an object around a '' central axis''. A two-dimensional rotating object has only one possible central axis and can rotate in either a clockwise or counterclockwise direction. A three-dimensional ...
operator in AC system analysis. His seminal books and many other AIEE papers "taught a whole generation of engineers how to deal with AC phenomena".


AC transient theory

Steinmetz also greatly advanced the understanding of
lightning Lightning is a naturally occurring electrostatic discharge during which two electric charge, electrically charged regions, both in the atmosphere or with one on the land, ground, temporarily neutralize themselves, causing the instantaneous ...
. His systematic experiments resulted in the first laboratory created "man-made lightning", earning him the nickname the "Forger of
Thunderbolt A thunderbolt or lightning bolt is a symbolic representation of lightning when accompanied by a loud thunderclap. In Indo-European mythology, the thunderbolt was identified with the 'Sky Father'; this association is also found in later Hell ...
s". These were conducted in a football field-sized laboratory at General Electric, using 120,000
volt The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827). Defi ...
generators. He also erected a lightning tower to attract natural lightning to study its patterns and effects, which resulted in several theories.


Professional life

Steinmetz acted in the following professional capacities: * At Union College, as chair of electrical engineering from 1902 to 1913Lemelson-MIT ProgramCharles Steinmetz: Improvements to Alternating Current Motor
and as faculty member thereafter until his death in 1923 * Board member on the Schenectady Board of Education for six years, including four years as the board's president * President of the Common Council of Schenectady
President
of the
American Institute of Electrical Engineers The American Institute of Electrical Engineers (AIEE) was a United States-based organization of electrical engineers that existed from 1884 through 1962. On January 1, 1963, it merged with the Institute of Radio Engineers (IRE) to form the Instit ...
from 1901 to 1902 * First vice-president of the International Association of Municipal Electricians (IAME) from 1913 until his death in 1923. He was granted an honorary degree from
Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...
in 1901 and a doctorate from Union College in 1903. Steinmetz wrote 13 books and 60 articles, not exclusively about engineering. He was a member and adviser to the fraternity
Phi Gamma Delta Phi Gamma Delta (), commonly known as Fiji, is a social fraternity with more than 144 active chapters and 10 colonies across the United States and Canada. It was founded at Jefferson College, Pennsylvania, in 1848. Along with Phi Kappa Psi, Phi ...
at Union College, whose chapter house was one of the first electrified residences. While serving as president of the Schenectady Board of Education, Steinmetz introduced numerous progressive reforms, including extended school hours, school meals,
school nurse School nursing, a specialized practice of public health nursing, protects and promotes student health, facilitates normal development, and advances academic success. School nurses, grounded in ethical and evidence-based practice, bridge the gap b ...
s, special classes for the children of immigrants, and the distribution of free textbooks.


Personal life

Steinmetz was affected by
kyphosis Kyphosis is an abnormally excessive convex curvature of the spine as it occurs in the thoracic and sacral regions. Abnormal inward concave ''lordotic'' curving of the cervical and lumbar regions of the spine is called lordosis. It can result fr ...
, as was his father and grandfather. In spite of his love for children and family life, Steinmetz remained unmarried, to prevent his spinal deformity from being passed to any offspring. When Joseph LeRoy Hayden, a loyal and hardworking lab assistant, announced that he would marry and look for his own living quarters, Steinmetz made the unusual proposal of opening his large home, complete with research lab,
greenhouse A greenhouse (also called a glasshouse, or, if with sufficient heating, a hothouse) is a structure with walls and roof made chiefly of Transparent ceramics, transparent material, such as glass, in which plants requiring regulated climatic condit ...
, and office to the Haydens and their prospective family. Hayden favored the idea, but his future wife was wary of the unorthodox arrangement. She agreed after Steinmetz's assurance that she could run the house as she saw fit. After an uneasy start, the arrangement worked well for all parties, especially after three Hayden children were born. Steinmetz legally adopted Joseph Hayden as his son, becoming grandfather to the youngsters, entertaining them with fantastic stories and spectacular scientific demonstrations. The unusual, harmonious living arrangement lasted for the rest of Steinmetz's life. Steinmetz founded America's first glider club, but none of its prototypes "could be dignified with the term 'flight.Crouch, Tom D. (February 7, 2002)
''A Dream of Wings: Americans and the Airplane, 1875–1905''
pp. 171–172.
Froehlich, Fritz; Kent, Allen (editors, 1990)
''The Froehlich/Kent Encyclopedia of Telecommunications''
Volume 15, p. 467
Steinmetz was a lifelong
agnostic Agnosticism is the view or belief that the existence of God, of the divine or the supernatural is unknown or unknowable. (page 56 in 1967 edition) Another definition provided is the view that "human reason is incapable of providing sufficient ...
. He died on October 26, 1923, and was buried in
Vale Cemetery Vale Cemetery is a historic rural cemetery and the largest cemetery in Schenectady, New York. It opened on 21 October 1857 when the Rev. Julius Seely dedicated what was then termed "the Vale". It has tripled its size since opening and today it ...
in
Schenectady Schenectady () is a city in Schenectady County, New York, United States, of which it is the county seat. As of the 2020 census, the city's population of 67,047 made it the state's ninth-largest city by population. The city is in eastern New Y ...
.


Legacy

Steinmetz earned wide recognition among the scientific community and numerous awards and honors both during his life and posthumously.
Steinmetz's equation Steinmetz's equation, sometimes called the power equation, is an empirical equation used to calculate the total power loss (core losses) per unit volume in magnetic materials when subjected to external sinusoidally varying magnetic flux. The equatio ...
, derived from his experiments, defines the approximate heat energy due to magnetic hysteresis released, per cycle per unit volume of magnetic material. A
Steinmetz solid In geometry, a Steinmetz solid is the solid body obtained as the intersection of two or three cylinders of equal radius at right angles. Each of the curves of the intersection of two cylinders is an ellipse. The intersection of two cylinders ...
is the solid body generated by the intersection of two or three cylinders of equal radius at right angles. Steinmetz' equivalent circuit is still widely used for the design and testing of induction machines. One of the highest technical recognitions given by the
Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operation ...
, the "
IEEE Charles Proteus Steinmetz Award The IEEE Charles Proteus Steinmetz Award is a technical field award given to an individual by the Institute of Electrical and Electronics Engineers (IEEE), for major contributions to standardization within the field of electrical and electronic ...
", is given for major contributions to
standardization Standardization or standardisation is the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organizations and governments. Standardization ...
within the field of electrical and electronics engineering. Other awards include the
Certificate of Merit The Certificate of Merit Medal was a military decoration of the United States Army that was issued between the years of 1905 and 1918. The Certificate of Merit Medal replaced the much older Certificate of Merit which was authorized by the United ...
of
Franklin Institute The Franklin Institute is a science museum and the center of science education and research in Philadelphia, Pennsylvania. It is named after the American scientist and statesman Benjamin Franklin. It houses the Benjamin Franklin National Memori ...
, 1908; the
Elliott Cresson Medal The Elliott Cresson Medal, also known as the Elliott Cresson Gold Medal, was the highest award given by the Franklin Institute. The award was established by Elliott Cresson, life member of the Franklin Institute, with $1,000 granted in 1848. The ...
, 1913; and the
Cedergren Medal The Cedergren Medal is a rarely granted honor awarded to outstanding scientists in electrical engineering by the Cedergren Foundation. Only 14 have been issued since the recognition was created in 1914. Mathematics genius and electrical engineeri ...
, 1914. The
Charles P. Steinmetz Memorial Lecture The Charles Proteus Steinmetz Memorial Lecture is a series of academic lectures initiated in 1925 in honor of celebrated mathematician and electrical engineer Charles Proteus Steinmetz. To date seventy four addresses have been given on subjects r ...
series was begun in his honor in 1925, sponsored by the Schenectady branch of the
IEEE The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operation ...
. Section History founded January 26, 1903. Through 2017 seventy-three gatherings have taken place, held almost exclusively at
Union College Union College is a private liberal arts college in Schenectady, New York. Founded in 1795, it was the first institution of higher learning chartered by the New York State Board of Regents, and second in the state of New York, after Columbia Co ...
, featuring notable figures such as
Nobel laureate The Nobel Prizes ( sv, Nobelpriset, no, Nobelprisen) are awarded annually by the Royal Swedish Academy of Sciences, the Swedish Academy, the Karolinska Institutet, and the Norwegian Nobel Committee to individuals and organizations who make out ...
experimental physicist
Robert A. Millikan Robert Andrews Millikan (March 22, 1868 – December 19, 1953) was an American experimental physicist honored with the Nobel Prize for Physics in 1923 for the measurement of the elementary electric charge and for his work on the photoelectric e ...
, helicopter inventor
Igor Sikorsky Igor Ivanovich Sikorsky (russian: И́горь Ива́нович Сико́рский, p=ˈiɡərʲ ɪˈvanəvitʃ sʲɪˈkorskʲɪj, a=Ru-Igor Sikorsky.ogg, tr. ''Ígor' Ivánovich Sikórskiy''; May 25, 1889 – October 26, 1972)Fortie ...
, nuclear submarine pioneer Admiral Hyman G. Rickover (1963), Nobel-winning
semiconductor A semiconductor is a material which has an electrical resistivity and conductivity, electrical conductivity value falling between that of a electrical conductor, conductor, such as copper, and an insulator (electricity), insulator, such as glas ...
inventor
William Shockley William Bradford Shockley Jr. (February 13, 1910 – August 12, 1989) was an American physicist and inventor. He was the manager of a research group at Bell Labs that included John Bardeen and Walter Brattain. The three scientists were jointly ...
, and Internet "founding father"
Leonard Kleinrock Leonard Kleinrock (born June 13, 1934) is an American computer scientist and a long-tenured professor at UCLA's Henry Samueli School of Engineering and Applied Science. In the early 1960s, Kleinrock pioneered the application of queueing theory ...
. Steinmetz's connection to Union is further celebrated with the annual Steinmetz Symposium, a day-long event in which Union undergraduates give presentations on research they have done. Steinmetz Hall, which houses the Union College computer center, is named after him. The Charles P. Steinmetz Scholarship is awarded annually by the college, underwritten since its inception in 1923 by the General Electric Company. An additional Charles P. Steinmetz Memorial Scholarship was later established at Union by Marjorie Hayden, daughter of Joseph and Corrine Hayden, and is awarded to students majoring in engineering or physics. A 1914 "Duplex Drive Brougham"
Detroit Electric The Detroit Electric was an electric car produced by the Anderson Electric Car Company in Detroit, Michigan. The company built 13,000 electric cars from 1907 to 1939. The marque was revived in 2008 by Albert Lam, former Group CEO of the Lotus En ...
automobile that once belonged to Steinmetz was purchased by Union College in 1971, and restored for use in campus ceremonies. The Steinmetz car is permanent displayed in the first-floor corridor between the Wold Center and F.W. Olin building. A Chicago public high school,
Steinmetz College Prep Steinmetz College Prep (also known as Steinmetz High School or Steinmetz Academic Centre) is a public 4–year high school located in the Belmont Cragin community area on the Northwest Side of Chicago, Illinois. Steinmetz is a part of the Chicag ...
, is named for him, as well as a Schenectady public school, the Steinmetz Career and Leadership Academy. A public park in north Schenectady, New York was named for him in 1931. In 1983, the
US Post Office The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the U. ...
included Steinmetz in a series of postage stamps commemorating American inventors. In May 2015, a life-size bronze statue of Charles Steinmetz meeting
Thomas Edison Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventio ...
by sculptor and caster Dexter Benedict was unveiled on a plaza on the corner of Erie Boulevards and South Ferry Street in Schenectady.


In popular culture

Steinmetz is featured in
John Dos Passos John Roderigo Dos Passos (; January 14, 1896 – September 28, 1970) was an American novelist, most notable for his ''U.S.A.'' trilogy. Born in Chicago, Dos Passos graduated from Harvard College in 1916. He traveled widely as a young man, visit ...
' ''
U.S.A. The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
'' trilogy in one of the biographies. He also serves as a major character in Starling Lawrence's ''The Lightning Keeper''. Steinmetz is a major character in the novel ''Electric City'' by
Elizabeth Rosner Elizabeth Rosner is an American novelist, nonfiction author, essayist, and poet. She is author of three novels and a poetry collection. ''The Speed of Light'' was translated into nine languages and won several awards in the US and in Europe, in ...
. Moe sarcastically refers to Curly as a "Steinmetz" in the 1944
Three Stooges The Three Stooges were an American vaudeville and comedy team active from 1922 until 1970, best remembered for their 190 short subject films by Columbia Pictures. Their hallmark styles were physical farce and slapstick. Six Stooges appeared ...
short ''
Busy Buddies This is a complete list of the 164 shorts in the ''Tom and Jerry'' series produced and released between 1940 and 2014. Of these, 162 are theatrical shorts, one is a made-for-TV short, and one is a 2-minute sketch shown as part of a telethon. ...
''. Steinmetz was portrayed in 1959 by the actor
Rod Steiger Rodney Stephen Steiger (; April 14, 1925July 9, 2002, aged 77) was an American actor, noted for his portrayal of offbeat, often volatile and crazed characters. Cited as "one of Hollywood's most charismatic and dynamic stars," he is closely assoc ...
in the
CBS television CBS Broadcasting Inc., commonly shortened to CBS, the abbreviation of its former legal name Columbia Broadcasting System, is an American commercial broadcast television and radio network serving as the flagship property of the CBS Entertainmen ...
anthology series An anthology series is a radio, television, video game or film series that spans different genres and presents a different story and a different set of characters in each different episode, season, segment, or short. These usually have a differ ...
, ''
The Joseph Cotten Show ''The'' () is a grammatical article in English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the m ...
''. The episode focused on his socialist activities in Germany. A famous anecdote about Steinmetz concerns a troubleshooting consultation at Henry Ford's River Rouge Plant. A humorous aspect of the story is the "itemized bill" he submitted for the work performed.


Bibliography


Patents

At the time of his death, Steinmetz held over 200 patents: * , "''System of distribution by alternating current''" (January 29, 1895) * , "''Inductor dynamo''" * , "''Three phase induction meter''" * , "''Inductor dynamo''" * , "''Induction motor''" * , "''System of electrical distribution''" * , "''Induction motor''" * , "''Means for producing light''" (May 7, 1912) * , "''Induction furnace''" * , "''Protective device''" * , "''Inductor dynamo''"


Works

* * * * This book's first edition was expanded and updated in many subsequent editions. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *


See also

* Charles P. Steinmetz Academic Centre *
IEEE Charles Proteus Steinmetz Award The IEEE Charles Proteus Steinmetz Award is a technical field award given to an individual by the Institute of Electrical and Electronics Engineers (IEEE), for major contributions to standardization within the field of electrical and electronic ...
* :de:Steinmetzschaltung (Steinmetz circuit)


Explanatory notes


Citations


General sources

* * * * * * * * * * * * * * * * * *


External links


"Charles Steinmetz: Union's Electrical Wizard"
''Union College Magazine'', November 1, 1998.
Finding Aid to Charles Steinmetz Papers
Schenectady County Historical Society.
Charles Proteus Steinmetz, the Wizard of Schenectady
, Smithsonian Institution

Edison Tech Center, Hall of Fame * United States Supreme Court

''Steinmetz v. Allen, Commissioner of Patents''. No. 383. Argued January 12, 13, 1904. Decided February 23, 1904.
''Divine Discontent'', a documentary on Steinmetz
* {{DEFAULTSORT:Steinmetz, Charles Proteus 1865 births 1923 deaths American agnostics American democratic socialists American electrical engineers American inventors American people with disabilities Engineers from New York (state) Engineers from Wrocław European democratic socialists General Electric people German emigrants to the United States Members of the Socialist Party of America People from the Province of Silesia People with dwarfism Scientists with disabilities Schenectady City Council members Scientists from Schenectady, New York University of Breslau alumni