Harley L. Grimm

W. Kirk

Kirk worked in the 300 Area at Hanford during the Manhattan Project.

Joseph H. Heartberg

Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Harley L. Grimm

Harley L. Grimm served in the 320th Troop Carrier Squadron.

Arthur Caress