National Museum of Nuclear Science & History
George Francis McEwen was born on June 16, 1882 in Manchester, Iowa. He attended Iowa State College.
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Yive J. Ping served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Straight Flush.
Halteman worked at the 100-D Area at Hanford during the Manhattan Project.
