[2] Other notable NMWM members included Wilfred Wellock,[3] Leslie Paul,[4] A. Barratt Brown, Leyton Richards, W. J. Chamberlain[3] and Monica Whately.
[1] In 1929, several prominent British intellectuals signed a statement, "Why I Believe in the No More War Movement", supporting the NMWM's aims.
Reginald Reynolds, a Quaker influenced by Gandhi, became general secretary, but he could not stop a drift of members to the communist British Anti-War Movement and the New Commonwealth Society.
Anarchists became increasingly prominent, but most left after the Movement, in accordance with its pacifist principles, refused to support the fighting of either side in the Spanish Civil War.
In 1937 the organisation formally merged with the Peace Pledge Union, although the Midlands Council of the NMWM retained an independent existence for a year or so.