B.S. University of Toronto M.S. University of Toronto Ph.D. University of Chicago
Known for
Developed the first modern mass spectrometer, discovered 235U (used in atomic bombs)
Awards
Newcomb Cleveland Prize (1929)
Scientific career
Fields
Physics
External videos
Michael A. Grayson, Discovery of Isotopes of Elements (Part I: Arthur Jeffrey Dempster), Profiles in Chemistry, Chemical Heritage Foundation
Arthur Jeffrey Dempster (August 14, 1886 – March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery in 1935 of the uranium isotope 235U.[1]
^Allison, Samuel K. (1952). "Arthur Jeffrey Dempster 1886–1950" (PDF). National Academy of Sciences. Retrieved 13 December 2012.
and 25 Related for: Arthur Jeffrey Dempster information
ArthurJeffreyDempster (August 14, 1886 – March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery...
ArthurDempster may refer to: ArthurJeffreyDempster (1886–1950), physicist at the University of Chicago and Manhattan Project participant Arthur P. Dempster...
double-focusing instruments (first developed by Francis William Aston, ArthurJeffreyDempster, Kenneth Bainbridge and Josef Mattauch in 1936) in that they focus...
Arthur Holly Compton (September 10, 1892 – March 15, 1962) was an American physicist who won the Nobel Prize in Physics in 1927 for his 1923 discovery...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
Arthur Leonard Schawlow (May 5, 1921 – April 28, 1999) was an American physicist who, along with Charles Townes, developed the theoretical basis for laser...
Everett Just, American biologist and academic (d. 1941) 1886 – ArthurJeffreyDempster, Canadian-American physicist and academic (d. 1950) 1889 – Otto...
Wheeler used their liquid drop model, the packing fraction curve of ArthurJeffreyDempster, and Eugene Feenberg's estimates of nucleus radius and surface...
in Physics, with Politzer and Wilczek, for this discovery. Gross, with Jeffrey A. Harvey, Emil Martinec, and Ryan Rohm also formulated the theory of the...
Society meeting. They had four children, twins George Jacob Bloch and Daniel Arthur Bloch (born January 15, 1941), son Frank Samuel Bloch (born January 16,...
committee had been directed at producing enriched uranium, but Committee member Arthur Compton determined that a feasible alternative was plutonium, which could...
developments in mass spectrometry pioneered by Francis William Aston, ArthurJeffreyDempster, and Alfred O. C. Nier during the early to mid-20th century would...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
half-life of 703.8 million years. It was discovered in 1935 by ArthurJeffreyDempster. Its (fission) nuclear cross section for slow thermal neutron is...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
arranged as a cosmic ray telescope, and under the aegis of his faculty advisor Arthur Compton, conducted an experiment in Mexico City to measure the so-called...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
work conducted by Keith Brueckner on perturbation theory. Working with Jeffrey Goldstone, he produced a solution for the case where there was an infinite...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
Stewart (1941) Percy Williams Bridgman (1942) Albert W. Hull (1943) ArthurJeffreyDempster (1944) Harvey Fletcher (1945) Edward Condon (1946) Lee Alvin DuBridge...
as MS. Modern techniques of mass spectrometry were devised by ArthurJeffreyDempster and F.W. Aston in 1918 and 1919 respectively. Sector mass spectrometers...