National Museum of Nuclear Science & History
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Richard Tasuhak was a staff worker at Los Alamos during the Manhattan Project.
Ross H. Johanson served in the 603rd Air Engineering Squadron.
Thomas E. Marceau is an archaeologist and cultural resources specialist at the Hanford site. Marceau works closely with Northwest tribal nations—including the Confederated Tribes of the Umatilla Indian Reservation and the Yakama Nation—and federal agencies to evaluate archaeological/traditional cultural places and protect Native American sacred places.
