National Museum of Nuclear Science & History
R. H. Martin worked for the United States Engineer District Office.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Helene Suydam and her husband, Jerry, moved into J. Robert Oppenheimer’s house on Bathtub Row in Los Alamos shortly after the Manhattan Project ended in 1947.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.
