Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943. She worked as a secretary for Julian Mack in the photography department.

Related Profiles

M.B. Johnston

Hanford, WA

John Swanson

Research & Development/300 Area

Swanson worked at the 300 Area at Hanford during the Manhattan Project. 

Howard T. Parr

Tinian Island

Howard T. Parr served in the 603rd Air Engineering Squadron.

Avery L. Bond

Los Alamos, NM