By 1951, Maclean was head of the American department of the Foreign Office, with access to the US Atomic Energy Commission.
Transcripts from hearings held by the Atomic Energy Commission in 1954 have recently been declassified and studied by scholars.
Silkwood worked for the Kerr-McGee Corp., a contractor for the Atomic Energy Commission.
An agency of the United States government from 1946 to 1974 that was charged with controlling and developing the use of atomic energy for civilian and military purposes. In 1974, the AEC was abolished, and its duties were divided between two new agencies: the Energy Research and Development Administration (now a part of the Department of Energy) and the Nuclear Regulatory Commission (NRC).