The Nobel Prize in Physics 1939
Ernest Orlando Lawrence
Born: 8 August 1901, Canton, SD, USA
Died: 27 August 1958, Palo Alto, CF, USA
Affiliation at the time of the award: University of California, Berkeley, CA, USA
Prize motivation: "for the invention and development of the cyclotron and for results obtained with it, especially with regard to artificial radioactive elements"
Field: accelerator physics, instrumentation