R. M. Downey

Robert Holmberg

Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.

C. E. Center

C. E. Center worked for the Union Carbide & Carbon Corporation.

E. R. Spangler

E. R. Spangler worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ted Maser