Facts: - doctoral students: edward d. goldberg clair cameron patterson - fields: nuclear chemistry geochemistry - thesis year: 1941 - death date: 08 december 1986 - workplaces: metallurgical institute of technology laboratory clinton engineering works university of chicago california - doctoral advisor: robert d. fowler - notable students: george tilton - spouse: adele -rrb- theresa tellez scrimger -lrb- divorced -rrb- rudd owen -lrb- divorced - awards: newcomb cleveland prize -lrb- 1947 -rrb- - birth date: 26 september 1917 - thesis title: part isotope analysis . part ii . intermolecular forces in gases i. and thermal diffusion : the thermal diffusion coefficient of argon the at low temperatures construction of a mass spectrometer for - name: harrison scott brown - nationality: american - death place: albuquerque , new mexico - birth place: sheridan , wyoming - alma mater: university of california johns hopkins university Based on these bullet points, write a short biography describing the life of harrison brown .
A:
harrison scott brown -lrb- september 26 , 1917 -- december 8 , 1986 -rrb- was an american nuclear chemist and geochemist .he was a political activist , who lectured and wrote on the issues of arms limitation , natural resources and world hunger .during world war ii , brown worked at the manhattan project 's metallurgical laboratory and clinton engineer works , where he worked on ways to separate plutonium from uranium .the techniques he helped develop were used at the hanford site to produce the plutonium used in the fat man bomb dropped on nagasaki .after the war he lectured on the dangers of nuclear weapons .after the war , he worked at the university of chicago , where he pioneered nuclear geochemistry .the study of meteorites by brown and his students led to the first close approximation of the age of the earth and the solar system .between 1951 and 1977 , he worked at the california institute of technology -lrb- caltech -rrb- where he contributed to advancements in telescopic instrumentation , jet propulsion , and infrared astronomy .