Martin Kamen
American chemist
Martin David Kamen was an American chemist who, together with Sam Ruben, co-discovered the synthesis of the isotope carbon-14 on February 27, 1940, at the University of California Radiation Laboratory, Berkeley. Wikipedia
Born: August 27, 1913, Toronto, Canada
Died: August 31, 2002 (age 89 years), Montecito, CA