Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Mark S. Fred

Research Assistant, BiologyChicago, IL

Manhattan Project VeteranProject Worker/Staff

Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project. 

He was also one of seventy scientists to sign the Szilard Petition. Written by physicist Leo Szilard, the document petitioned the President to decide against dropping the atomic bomb on Japan.

Later, he worked in the Chemistry Division of Argonne National Laboratory in Lemont, Illinois. While at Argonne, he published and co-published a number of papers about spectrography of the actinide elements. 

 

For more information about Mark Fred, please see the following references:

Related Profiles

Horace R. Hood

Oak Ridge, TN

Horace Hood set up equipment for the J.A. Jones Construction Company in Oak Ridge, Tennessee. He and his family lived in Kingsport, Tennessee while Hood commuted to Oak Ridge through a series of security checkpoints each day.

H. L. Bassett

Y-12 Plant

H. L. Bassett worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Wayne Marshall

Chicago, IL

Wayne Marshall was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

B. H. Cloud

Oak Ridge, TN

Cloud worked for Stone and Webster Engineering Corporation.