EGON OROWAN

August 2, 1901-August 3, 1989

BY F. R. N. NABARRO AND A. S. ARGON

EGON OROWAN DIED in the Mount Auburn Hospital in Cambridge, Massachusetts, on 3 August 1989, a day after his 87th birthday. He is buried in the Mount Auburn Cemetery. Together with G.I. Taylor and Michael Polanyi, he was responsible for the introduction of the crystal dislocation into physics as the essential mediator of plastic deformation. Though he occasionally spoke at meetings concerned with science and technology policy, and wrote letters to the press on a number of topics, he was an essentially private person and left no biographical notes. In compiling the present Memoir, FRNN has been principally responsible for the period 1902-1951, which Orowan spent mainly in Europe, and ASA for the period 1951-1989, when Orowan was affiliated with the Massachusetts Institute of Technology.

1. ANCESTRY AND EARLY LIFE

Egon Orowan (Orován Egon in Hungarian) was born in Obuda, a part of Budapest1 His father, Berthold

Prepared as a Biographical Memoir for the Royal Society of London and the U.S. National Academy of Sciences.

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References preceded by the letter R refer to numbered papers deposited in the archives of The Royal Society.



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