National Museum of Nuclear Science & History
Leandro Ortiz was a staff worker at Los Alamos during the Manhattan Project.
F. C. Todd worked for the Fercleve Corporation.
Frank Pittman (1914-1993) was an American chemist and government administrator. Pittman was born in Sacramento.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
