National Museum of Nuclear Science & History
Seymour Ratner was a staff worker at Los Alamos during the Manhattan Project.
Dr. Karl Larsen worked at Massachusetts Institute of Technology during the Manahattan Project. While there, he conducted heavy-water research by spectrum analysis, which was one of the prerequisites to the early atomic bombs.
Donald A. Young was born in Detroit, MI. He graduated with a Doctor of Medicine degree from the Detroit College of Medicine and Surgery in June 1933.
