Okey B. Ellison

Security GuardChicago, IL

Manhattan Project Veteran

Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Arthur A. Jakobiak

Los Alamos, NM

W. A. Cone

Oak Ridge, TN

W. A. Cone worked for the J.A. Jones Construction Company.

H. L. Longcrier

Oak Ridge, TN

H. L. Longcrier worked for the J.A. Jones Construction Company.

Seymour Calvert

Los Alamos, NM

Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.