National Museum of Nuclear Science & History
Harold Riley was an American chemical engineer. After graduating from North Carolina State College, Riley began his career working as a rayon technician at the DuPont Company.
Bill Ginkel was born in Rochester, New York on August 14th, 1920. After graduating from Madison High School, Ginkel spent five years studying Chemical Engineering and Business at the University of Rochester, where he graduated in 1943.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.