National Museum of Nuclear Science & History
R. H. Duncan worked for the Comstock-Bryant Electric Company.
Alvin Vanvessem was a member of the Special Enginner Detatchment (SED) at Los Alamos during the Manhattan Project.
Waldo Houser worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Vosmer worked at the 300 Area at Hanford during the Manhattan Project.