National Museum of Nuclear Science & History
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
Douglas Morgan served in the Army at Los Alamos during the Manhattan Project.
J. B. Kaiser worked for the Midwest Piping and Supply Company.
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.