National Museum of Nuclear Science & History
Johnson worked at the 300 Area at Hanford during the Manhattan Project.
Warren Sharp was a chemical engineer employed at the K-25 Plant in Oak Ridge, Tennessee. Sharp assisted with the gaseous diffusion process as a civilian after unsuccessfully trying to enlist in military service.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.
