Arthur Jeffrey Dempster
Canadian-American physicist (1886-1950) · Canada · Scientists · Died at 63
Arthur Jeffrey Dempster is read about 23 times a day, in 20 languages.
A typical day, 30 days to 20 September 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
Something wrong?Arthur Jeffrey Dempster was a Canadian-American physicist best known for his work in mass spectrometry and his discovery in 1935 of the uranium isotope 235U. As part of his research, he investigated the isotopic constitution of multiple other elements.
Also in Deutsch
Photos 3
Awards
In their orbit
About this person
Country
Canada
Category
Scientists
Type
Scientist
Status
deceased
Dates
Lived 1886 to 1950 · aged 63
Fame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.