National Museum of Nuclear Science & History
Mattie was a staff member at Los Alamos during the Manhattan Project.
Attended Wyomissing Polytechnic Institute.
Arnold Kramish was a physicist in the Manhattan Project and a member of the Special Engineering Detachment (SED) at Oak Ridge, Tennessee, the Philadelphia Navy Yard, and Los Alamos.
White worked at the 200 West Area at Hanford during the Manhattan Project.
D. W. Latimore worked for Clinton Laboratories at the X-10 Reactor.