National Museum of Nuclear Science & History
Henry Nowak worked for the Union Carbide & Carbon Corporation.
Willard Clark was born in Boston in 1910, but grew up in Buenos Aires, Argentina, where his father was President of the General Motors Argentina Branch.
Attended the University of Cincinnati.
Raymond Elliot Zirkle was a radiobiologist who worked at numerous Manhattan Project sites during World War II.
Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.
