Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Leonard Orr

SergeantTinian Island

Wendover, UT
509th Composite GroupManhattan Project VeteranMilitary Veteran
North Airfield at Tinian Island.

Leonard Orr served in the 1395th Military Police Company, Aviation.

Related Profiles

R. F. Day

Oak Ridge, TN

Day worked for Stone and Webster Engineering Corporation.

Norma J. Hinton

Chicago, IL

Norma J. Hinton was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Marvin D. Cooke

Oak Ridge, TN

Marvin D. Cooke worked for the J.A. Jones Construction Company.

William R. Stewart

Los Alamos, NM

William Stewart was an engineer in the Special Engineering Detachment at Los Alamos, New Mexico. Specifically, Stewart worked in “Project Trinity” under the leadership of George Kistiakowsky and Kenneth Bainbridge.