National Museum of Nuclear Science & History
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
W. W. McQuerry worked for the Union Carbide & Carbon Corporation.
Helen Jernigan arrived in Oak Ridge after finishing her first year in college at Tennessee Wesleyan College.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gerald Tyler was a commanding officer at Los Alamos during the Manhattan Project.
