When was the political party, of which David Lewis was national secretary, founded ?
David Lewis (politician):  He was national secretary of the Co-operative Commonwealth Federation (CCF) from 1936 to 1950, and one of the key architects of the New Democratic Party (NDP) in 1961. Co-operative Commonwealth Federation:  The CCF was founded in 1932 in Calgary, Alberta, by a number of socialist, agrarian, co-operative, and labour groups, and the League for Social Reconstruction.
1932