Martin Deutsch (29 January 1917 – 16 August 2002) was an Austrian-American professor of

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 ...

MIT The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the mo ...

. He is best known for being the discoverer of

positronium Positronium (Ps) is a system consisting of an electron and its antimatter, anti-particle, a positron, bound together into an exotic atom, specifically an onium. Unlike hydrogen, the system has no protons. The system is unstable: the two parti ...

Early life

Deutsch was born in

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

during the First World War to a Jewish family. Both of his parents were physicians; his mother

Helene Deutsch Helene Deutsch (née Rosenbach; 9 October 1884 – 29 March 1982) was a Polish American psychoanalyst and colleague of Sigmund Freud. She founded the Vienna Psychoanalytic Institute. In 1935, she immigrated to Cambridge, Massachusetts, where sh ...

was a professor of

psychiatry Psychiatry is the medical specialty devoted to the diagnosis, prevention, and treatment of mental disorders. These include various maladaptations related to mood, behaviour, cognition, and perceptions. See glossary of psychiatry. Initial psych ...

at the

University of Vienna The University of Vienna (german: Universität Wien) is a public research university located in Vienna, Austria. It was founded by Duke Rudolph IV in 1365 and is the oldest university in the German-speaking world. With its long and rich histor ...

and a student and colleague of

Sigmund Freud Sigmund Freud ( , ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies explained as originatin ...

. In 1934, after the Fascist seizure of power in Austria, Deutsch moved 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 ...

, Switzerland. He completed secondary school there and attended the

Swiss Federal Institute of Technology The Swiss Federal Institutes of Technology are two institutes of higher education in Switzerland (part of the ETH Domain): * Swiss Federal Institute of Technology in Lausanne Swiss may refer to: * the adjectival form of Switzerland *Swiss people ...

for one semester. The following year, young Martin Deutsch accompanied his mother on a trip to the United States. During their outbound journey, the Italians invaded

Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...

; the family decided that it would be best to resettle in America. They moved to Cambridge, Massachusetts, where both parents became influential psychiatrists. Deutsch enrolled at MIT, where he excelled at mathematics and physics. He received his BS degree in 1937, after two years of study. In 1939, he married Suzanne Zeitlin, a native Bostonian who had just graduated from

Simmons College Institutions of learning called Simmons College or Simmons University include: * Simmons University, a women's liberal arts college in Boston, Massachusetts * Simmons College of Kentucky, a historically black college in Louisville, Kentucky * Har ...

with a master's degree in

Social Work Social work is an academic discipline and practice-based profession concerned with meeting the basic needs of individuals, families, groups, communities, and society as a whole to enhance their individual and collective well-being. Social work ...

. They had two children,

L. Peter Deutsch L Peter Deutsch (born Laurence Peter Deutsch on August 7, 1946, in Boston, Massachusetts) is the founder of Aladdin Enterprises and creator of Ghostscript, a free software PostScript and Portable Document Format, PDF interpreter. Deutsch's othe ...

and Nicholas Deutsch. Martin earned his Ph.D. in Physics in 1941, under Robley D. Evans leading to a thesis entitled: ''A Study of Nuclear Radiations by Means of a Magnetic Lens Beta Ray Spectrometer.''

Work on the Manhattan Project

Since Deutsch was still a German subject in 1941 (Germany annexed Austria in 1938; under the

Nuremberg Laws The Nuremberg Laws (german: link=no, Nürnberger Gesetze, ) were antisemitic and racist laws that were enacted in Nazi Germany on 15 September 1935, at a special meeting of the Reichstag convened during the annual Nuremberg Rally of th ...

, Jews were stripped of their citizenship and considered "subjects" of the

Reich ''Reich'' (; ) is a German language, German noun whose meaning is analogous to the meaning of the English word "realm"; this is not to be confused with the German adjective "reich" which means "rich". The terms ' (literally the "realm of an emp ...

), he was classified by the U.S. Government as an

enemy alien In customary international law, an enemy alien is any native, citizen, denizen or subject of any foreign nation or government with which a domestic nation or government is in conflict and who is liable to be apprehended, restrained, secured and ...

. Deutsch was a committed anti-fascist, and wanted to help in the

war effort In politics and military planning, a war effort is a coordinated mobilization of society's resources—both industrial and human—towards the support of a military force. Depending on the militarization of the culture, the relative size ...

, and so he had to wait for two years to receive a security clearance. During that time, he taught and did research at MIT. Deutsch arrived at Los Alamos in 1943, and began working closely with

Emilio Segrè Emilio Gino Segrè (1 February 1905 – 22 April 1989) was an Italian-American physicist and Nobel laureate, who discovered the elements technetium and astatine, and the antiproton, a subatomic antiparticle, for which he was awarded the Nobel ...

on problems concerning fission physics. He also worked with his future colleague at MIT,

Victor Weisskopf Victor Frederick "Viki" Weisskopf (also spelled Viktor; September 19, 1908 – April 22, 2002) was an Austrian-born American theoretical physicist. He did postdoctoral work with Werner Heisenberg, Erwin Schrödinger, Wolfgang Pauli, and Niels Boh ...

. As it turned out, they had attended the same high school in Vienna, but not at the same time: Weisskopf graduated the year that Deutsch entered the school.

Career at MIT

Deutsch returned to MIT in 1946, joining his Los Alamos colleagues

and

Bruno Rossi Bruno Benedetto Rossi (; ; 13 April 1905 – 21 November 1993) was an Italian experimental physicist. He made major contributions to particle physics and the study of cosmic rays. A 1927 graduate of the University of Bologna, he became in ...

. One of his students was Henry Kendall, who won the

Nobel Prize The Nobel Prizes ( ; sv, Nobelpriset ; no, Nobelprisen ) are five separate prizes that, according to Alfred Nobel's will of 1895, are awarded to "those who, during the preceding year, have conferred the greatest benefit to humankind." Alfr ...

for Physics in 1990. He also recruited

Samuel C. C. Ting Samuel Chao Chung Ting (, born January 27, 1936) is a Chinese-American physicist who, with Burton Richter, received the Nobel Prize in 1976 for discovering the subatomic J/ψ particle. More recently he has been the principal investigator in res ...

to the faculty; Ting was awarded the Nobel Prize for Physics in 1976. In 1951, Deutsch measured and confirmed the existence of

, a

bound state Bound or bounds may refer to: Mathematics * Bound variable * Upper and lower bounds, observed limits of mathematical functions Physics * Bound state, a particle that has a tendency to remain localized in one or more regions of space Geography *B ...

electron The electron ( or ) is a subatomic particle with a negative one elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no kn ...

s and

positron The positron or antielectron is the antiparticle or the antimatter counterpart of the electron. It has an electric charge of +1 '' e'', a spin of 1/2 (the same as the electron), and the same mass as an electron. When a positron collides ...

s whirling about each other. The properties of positronium were predicted by

Carl D. Anderson Carl David Anderson (September 3, 1905 – January 11, 1991) was an American physicist. He is best known for his discovery of the positron in 1932, an achievement for which he received the 1936 Nobel Prize in Physics, and of the muon in 1936. ...

Caltech The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...

in 1932. The Martin Deutsch Student Award was created in 1987 to recognize outstanding experimental work by an MIT physics graduate student. Deutsch died in 2002 at his home in

Cambridge, Massachusetts Cambridge ( ) is a city in Middlesex County, Massachusetts, United States. As part of the Boston metropolitan area, the cities population of the 2020 U.S. census was 118,403, making it the fourth most populous city in the state, behind Boston, ...

References

External links

Obituary of Martin Deutsch from the MIT News Office

MIT Physics Department website
{{DEFAULTSORT:Deutsch, Martin 1917 births 2002 deaths Austrian Jews American people of Austrian-Jewish descent Jewish American scientists Scientists from Vienna 20th-century Austrian physicists 20th-century American physicists Manhattan Project people Fellows of the American Physical Society 20th-century American Jews 21st-century American Jews Austrian emigrants to the United States

Early life

Work on the Manhattan Project

Career at MIT

See also

References

External links