Leonard Krouldis

Laboratory AssistantChicago, IL

Manhattan Project VeteranProject Worker/Staff

Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Jack D. East

X-10 Graphite Reactor

Jack D. East worked in the Instrument and Physical Measurements Group in Clinton Laboratories at the X-10 Reactor.

Carol D. Feemster

Leon J. Vrana

Leon J. Vrana served in the 320th Troop Carrier Squadron.

J. H. Leary

J. H. Leary worked for the United States Engineer District Office.