Thorfin Rusten Hogness (December 9, 1894, Minneapolis – February 14, 1976, San Jose, California)[1] was a physical chemist, director of plutonium research for the Manhattan Project, and, after WW II, an advocate of "international control of nuclear energy".

[3] His Ph.D. thesis is entitled The surface tensions and densities of liquid mercury, cadmium, zinc, lead, tin and bismuth.

[4] From 1921 to 1930 he was a faculty member at UC Berkeley,[3][2] except for a leave of absence from 1926 to 1927 when he had a research fellowship at the University of Göttingen.

[2] At the University of Chicago after WW II, he continued his professorship, worked on defense research (including the development of ICBMs),[1] and served as director of applied sciences until 1962, when he retired as professor emeritus.

[5] In 1948 Hogness was one of a group of eight American nuclear energy experts who publicly protested the tactics of the House Committee on Un-American Activities.