National Museum of Nuclear Science & History
Langdon Albright Jr. (1911-1999) was a staff member at Los Alamos during the Manhattan Project.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.