He was present at the founding of the Campaign for Nuclear Disarmament, attending preliminary meetings at the house of Lord Simon of Wythenshawe, with Sir Bernard Lovell and Bertrand Russell, but he did not join or support CND.
In 2005 the event featured former Environment Minister Michael Meacher, Bruce Kent from CND and Tony Juniper from Friends of the Earth.
Corendon Dutch Airlines (CND) is a Dutch registered airline headquartered in Lijnden, Haarlemmermeer, Netherlands.
It was founded in April 1962 by CND members including Pat Arrowsmith and Vanessa Redgrave.
Spies for Peace, a group of anti-war activists associated with CND and the Committee of 100 who publicized government preparations for rule after a nuclear war.
Noam Chomsky called Duff, "one of those heroes who is completely unknown, because she did too much," and stated that "she should have won the Nobel Peace Prize about twenty times." He described her as a "leading figure," in both the CND and the anti-Vietnam War movement.
The functions of RAF Fylingdales have been subject to criticism from opposition groups, such as the Campaign for Nuclear Disarmament (CND), leading to protests being held on occasion.
Campaign groups are similarly represented, as well as collections of archive material from bodies as diverse as the National League of the Blind and Disabled, Manchester CND, Manchester Unity Theatre, Big Flame and the Jubilee Group.