National Museum of Nuclear Science & History
Frederick Rich worked for the Union Carbide & Carbon Corporation.
Attended the University of Michigan.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mary Wahl (1916-2007) was an American mathematician. Wahl was born in Ottumwa, Iowa. She studied at the University of Iowa and Columbia University.
J. I. Mitchell worked for the Roane-Anderson Company.
