National Museum of Nuclear Science & History
William J. Hannert served in the 393rd Bombardment Squadron.
Pfennig worked for Stone and Webster Engineering Corporation.
Ludwig Bruggemann was born in 1938 in the agricultural community of White Bluffs, Washington. His father owned a prosperous fruit farm along the Columbia River before the U.
E. H. Halbrook worked for the J.A. Jones Construction Company.