Robert D. Hannah

Joan E. Curran

Joan Elizabeth Curran (1916-1999) was a Welsh physicist. Curran was born in Swansea, Wales. During World War II, she worked on Operation Windows, where she invented the “chaff,” a technique which could disrupt enemy radar.

W. G. Butler

W. G. Butler worked for the J.A. Jones Construction Company.

William Lowe

William Lowe was studying chemical and metallurgical engineering when World War II began. He was appointed to the Special Engineering Detachment and arrived in Los Alamos and began assisting chemist Arthur Wahl.

F. A. McRay