National Museum of Nuclear Science & History
Alfredo Chavez served in the 1395th Military Police Company, Aviation.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
Allan worked at the 200 West Area at Hanford during the Manhattan Project.
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.