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

Frank J. Mayeran

Los Alamos, NM

J. H. Brown

Oak Ridge, TN

Brown worked in the United States Engineer District Office.

J. E. Blum

Tinian Island

J. E. Blum served in the 509th Headquarters and Base Services Squadron. 

Elias Margolin

K-25 Plant

Attended the City College of New York.