Leonard Mandel
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Leonard Mandel (May 9, 1927 – February 9, 2001) was an
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
physicist who contributed to the development of theoretical and experimental modern optics and is widely considered one of the founding fathers of the field of
quantum optics Quantum optics is a branch of atomic, molecular, and optical physics dealing with how individual quanta of light, known as photons, interact with atoms and molecules. It includes the study of the particle-like properties of photons. Photons have ...
. With
Emil Wolf Emil Wolf (July 30, 1922 – June 2, 2018) was a Czech-born American physicist who made advancements in physical optics, including diffraction, coherence properties of optical fields, spectroscopy of partially coherent radiation, and the theory ...
he published the highly regarded book ''Optical Coherence and Quantum Optics.''


Life

Mandel was born in
Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitu ...
,
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...
, where his father, Robert (Naftali) Mandel, had emigrated from
Eastern Europe Eastern Europe is a subregion of the European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russia, whi ...
. He received a BSc degree 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 in 1947 and a
PhD PHD or PhD may refer to: * Doctor of Philosophy (PhD), an academic qualification Entertainment * '' PhD: Phantasy Degree'', a Korean comic series * '' Piled Higher and Deeper'', a web comic * Ph.D. (band), a 1980s British group ** Ph.D. (Ph.D. al ...
degree in nuclear physics in 1951 from
Birkbeck College , mottoeng = Advice comes over nightTranslation used by Birkbeck. , established = , type = Public research university , endowment = £4.3 m (2014) , budget = £10 ...
,
University of London The University of London (UoL; abbreviated as Lond or more rarely Londin in post-nominals) is a federal public research university located in London, England, United Kingdom. The university was established by royal charter in 1836 as a degr ...
, in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...
. He became a technical officer at
Imperial Chemical Industries Imperial Chemical Industries (ICI) was a British chemical company. It was, for much of its history, the largest manufacturer in Britain. It was formed by the merger of four leading British chemical companies in 1926. Its headquarters were at ...
Ltd in
Welwyn Welwyn is a village and civil parish in Hertfordshire, England. The parish also includes the villages of Digswell and Oaklands. It is sometimes referred to as Old Welwyn or Welwyn Village, to distinguish it from the much newer and larger ...
, UK, in 1951. In 1955, he became a lecturer and, later, senior lecturer at
Imperial College London Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London, United Kingdom. Its history began with Prince Albert, consort of Queen Victoria, who developed his vision for a cu ...
, University of London. He remained at Imperial until 1964, when he joined the
University of Rochester The University of Rochester (U of R, UR, or U of Rochester) is a private research university in Rochester, New York. The university grants undergraduate and graduate degrees, including doctoral and professional degrees. The University of ...
as a professor of physics. Mandel became Lee DuBridge Professor Emeritus of Physics and Optics at the University of Rochester when he died at the age of 73 at his home in Pittsford, New York. Mandel published over 260 scientific papers dealing with problems of optical coherence, lasers, quantum interactions and non-classical states of light. Together with Prof.
Emil Wolf Emil Wolf (July 30, 1922 – June 2, 2018) was a Czech-born American physicist who made advancements in physical optics, including diffraction, coherence properties of optical fields, spectroscopy of partially coherent radiation, and the theory ...
, Mandel organized a series of international conferences, known as the Rochester Conferences on Coherence and Quantum Optics, which were extremely influential in the history of the field of quantum optics. Mandel was a referee for approximately 24 scientific journals and 6 research agencies. He was on the Board of Directors of the Optical Society of America from 1985-1988, and was Associate Editor of the Journal of the Optical Society 1970-1976 and 1982-1983. Mandel was also a member of the Editorial Board for both ''
Physical Review ''Physical Review'' is a peer-reviewed scientific journal established in 1893 by Edward Nichols. It publishes original research as well as scientific and literature reviews on all aspects of physics. It is published by the American Physical ...
'' and ''Quantum Optics''. In addition to his ground-breaking research, Mandel was known as an exceptional teacher and in 1992 he was awarded the Faculty Graduate Teaching Award by the University of Rochester.


Influence

As written by Jeff Kimble and
Emil Wolf Emil Wolf (July 30, 1922 – June 2, 2018) was a Czech-born American physicist who made advancements in physical optics, including diffraction, coherence properties of optical fields, spectroscopy of partially coherent radiation, and the theory ...
in Physics Today:


Awards

Mandel was a Fellow of the Optical Society of America and of the American Physical Society and received the following awards: * 1982 - Max Born Award - Mandel was the first recipient of the Max Born prize awarded by the Optical Society of America. * 1987 - Marconi Medal, awarded by the Italian National Research Council. * 1989 –
Thomas Young Medal and Prize The Institute of Physics awards numerous prizes to acknowledge contributions to physics research, education and applications. It also offers smaller specific subject-group prizes, such as for PhD thesis submissions. Bilateral awards * The Max B ...
, for distinguished research in the field of optics * 1993 –
Frederic Ives Medal The Frederic Ives Medal is the highest award of the Optical Society, recognizing overall distinction in optics. The prize was established in 1928 by Herbert E. Ives in honor of his father, Frederic Ives. Initially awarded every two years, it has be ...
, Recognizing overall distinction in optics *1994 - Elected Member of the New York Academy of Sciences *1996 - Elected Member of the American Academy of Arts and Sciences *2001 - Elected Member of the National Academy of Sciences (posthumously)


See also

*
Hong–Ou–Mandel effect The Hong–Ou–Mandel effect is a two-photon interference effect in quantum optics that was demonstrated in 1987 by three physicists from the University of Rochester: Chung Ki Hong (홍정기), Zheyu Ou (区泽宇), and Leonard Mandel. The eff ...
* Mandel Q parameter


References


External links

*
Obituary in the University of Rochester News
1927 births 2001 deaths Academics of Imperial College London University of Rochester faculty Alumni of Birkbeck, University of London Optical physicists Fellows of Optica (society) German emigrants to the United Kingdom British expatriates in the United States {{germany-physicist-stub