Ernest Lawrence

8 August 1901 – 27 August 1958

Ernest Orlando Lawrence (1901-1958) was an American physicist who invented the cyclotron particle accelerator, for which he received the 1939 Nobel Prize in Physics. He founded the Radiation Laboratory at the University of California, Berkeley, pioneering large-scale 'big science', and led the electromagnetic uranium-separation effort of the Manhattan Project. The element lawrencium and two national laboratories are named after him.

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Life events

Born in Canton, South Dakota
8 August 1901

Lawrence was born to Norwegian-American parents; his father was an educator and school superintendent.

Source: en.wikipedia.org
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Earned PhD in physics from Yale University
1925

Lawrence completed his doctorate with a dissertation on the photoelectric effect in potassium vapor.

Source: en.wikipedia.org
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Joined the faculty of the University of California, Berkeley
1928

Lawrence became an associate professor of physics at Berkeley, and in 1930 became the university's youngest full professor.

Source: en.wikipedia.org
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Invented the cyclotron
1931

Lawrence conceived the cyclotron in 1929 and, with graduate student M. Stanley Livingston, built the first working model that accelerated protons in a spiral path using a magnetic field.

Source: en.wikipedia.org
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Founded the Radiation Laboratory at Berkeley
1931

Lawrence established the Radiation Laboratory, forerunner of Lawrence Berkeley National Laboratory, as a center for building ever-larger particle accelerators.

Source: en.wikipedia.org
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Married Mary Kinsley Blumer
14 May 1932

Lawrence married Molly Blumer, daughter of the dean of the Yale School of Medicine; the couple had six children.

Source: en.wikipedia.org
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Awarded the Nobel Prize in Physics
1939

Lawrence received the 1939 Nobel Prize in Physics for the invention and development of the cyclotron and for results obtained with it, the first Nobel for a Berkeley faculty member.

Source: en.wikipedia.org
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Led electromagnetic uranium separation for the Manhattan Project
1942 – 1945

Lawrence developed the calutron mass separators used at Oak Ridge to enrich uranium for the atomic bomb dropped on Hiroshima.

Source: en.wikipedia.org
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Died in Palo Alto, California
27 August 1958

Lawrence died of complications from ulcerative colitis at the age of 57, shortly after falling ill while serving on a U.S. delegation in Geneva.

Source: en.wikipedia.org
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