Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Margaret Caldes

SecretaryLos Alamos, NM

Manhattan Project VeteranProject Worker/StaffSpouse to Manhattan Project Worker
Margaret E. Caldes's Los Alamos ID badge

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

Edward O. Repass

Y-12 Plant

Edward Repass worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Frank J. Tucci

Los Alamos, NM

L. C. Perry

T-Plant/200 Areas

Perry worked in the 200 West Area at Hanford during the Manhattan Project.  

P. L. Rothchild

Oak Ridge, TN

P. L. Rothchild worked for the United States Engineer District Office.