Arthur Edward Ruark (November 9, 1899 – 1979) was an American physicist and academic known for his role in the development of

quantum mechanics Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, ...

. He wrote the book ''Atoms, Molecules, and Quanta'' with

Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...

winner

Harold Clayton Urey Harold Clayton Urey ( ; April 29, 1893 – January 5, 1981) was an American physical chemist whose pioneering work on isotopes earned him the Nobel Prize in Chemistry in 1934 for the discovery of deuterium. He played a significant role in the d ...

in 1930, and is the author of numerous scientific papers on quantum physics.

Early life and education

Ruark was born in

Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...

, the son of Oliver Miles and Margaret Gordon Ruark (née Smith). He graduated from

Towson High School Towson High School is a high school in Baltimore County, Maryland, United States, founded in 1873. The school's current stone structure was built in 1949. Located in the northern Baltimore suburb of Towson and serving the surrounding communities ...

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

and attended

Shepherd University Shepherd University is a public university in Shepherdstown, West Virginia. Accredited by the Higher Learning Commission, the university enrolled 3,159 students in Fall 2020. History Shepherd University began when the county seat of Jefferson ...

. He received a Bachelor of Arts,

Master of Arts A Master of Arts ( la, Magister Artium or ''Artium Magister''; abbreviated MA, M.A., AM, or A.M.) is the holder of a master's degree awarded by universities in many countries. The degree is usually contrasted with that of Master of Science. Tho ...

, and PhD from

Johns Hopkins University Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hem ...

Career

He was a member of Atomic Structure Section of the

National Bureau of Standards The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical sci ...

from 1922 to 1926. He was assistant professor of physics at

Yale University Yale University is a private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the third-oldest institution of higher education in the United States and among the most prestigious in the wo ...

from 1926 to 1927. He was physicist for

Gulf Oil Gulf Oil was a major global oil company in operation from 1901 to 1985. The eighth-largest American manufacturing company in 1941 and the ninth-largest in 1979, Gulf Oil was one of the so-called Seven Sisters oil companies. Prior to its merger ...

and the

Mellon Institute of Industrial Research The Mellon Institute of Industrial Research is a former research institute in Pittsburgh, Pennsylvania, United States, which is now part of Carnegie Mellon University. It was founded in 1913 by Andrew Mellon and Richard B. Mellon as part of the U ...

from 1927 to 1929. He was chief of physics division Gulf Research Laboratory in 1930. He was professor of physics at the

University of Pittsburgh The University of Pittsburgh (Pitt) is a public state-related research university in Pittsburgh, Pennsylvania. The university is composed of 17 undergraduate and graduate schools and colleges at its urban Pittsburgh campus, home to the universit ...

from 1930 to 1934. He was head of the physics department at

University of North Carolina The University of North Carolina is the multi-campus public university system for the state of North Carolina. Overseeing the state's 16 public universities and the NC School of Science and Mathematics, it is commonly referred to as the UNC Sy ...

after 1934. One of his doctoral students at UNC was physicist Mary Wilma Hodge. After

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, Ruark became the founding director of the graduate physics program of the

University of Alabama The University of Alabama (informally known as Alabama, UA, or Bama) is a Public university, public research university in Tuscaloosa, Alabama. Established in 1820 and opened to students in 1831, the University of Alabama is the oldest and la ...

. Afterwards, he became the senior associate director of research at the

United States Atomic Energy Commission The United States Atomic Energy Commission (AEC) was an agency of the United States government established after World War II by U.S. Congress to foster and control the peacetime development of atomic science and technology. President H ...

from 1961 to 1969. During his time with the commission, Ruark also supervised the research and development process of

Project Sherwood Project Sherwood was the codename for a United States program in controlled nuclear fusion during the period it was classified. After 1958, when fusion research was declassified around the world, the project was reorganized as a separate division w ...

. Ruark is the author of ''Multiple Electron Transmissions and Primed Spectral Terms'', 1925; ''Atoms, Molecules, and Quanta'', 1930; ''Atomic Physics'' (with others), 1933; and numerous articles on critical potentials, Spectroscopy, wave mechanics, indetermination principle, radio activity and nuclear physics.

Personal life

He married Sarah Grace Hazen, of

Canton, New York Canton is an incorporated Administrative divisions of New York#Town, town in St. Lawrence County, New York, St. Lawrence County, New York (state), New York. The population was 11,638 at the time of the 2020 census. The town contains two Administr ...

, on March 17, 1927. He died in

in 1979.

References

{{DEFAULTSORT:Ruark, Arthur Edward 1899 births 1979 deaths Shepherd University alumni 20th-century American physicists American nuclear physicists Quantum physicists Fellows of the American Physical Society Johns Hopkins University alumni Towson High School alumni University of Pittsburgh faculty University of North Carolina faculty University of Alabama faculty United States Atomic Energy Commission Yale University faculty