National Museum of Nuclear Science & History
R. W. Engels worked at the 300 Area at Hanford during the Manhattan Project.
Walter A. Ball served in the 1027th Air Material Squadron.
Jas Reeves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.