Jimmy Deane was born in Liverpool in 1921. He joined the Militant Group in 1937 and was the co-founder of the Liverpool branch of the Workers' International League in 1939. By 1945, Jimmy Deane had joined the editorial board of the 'Socialist Appeal', the journal of the Revolutionary Communist Party. The next year, Jimmy Deane was the British delegate to the International Secretariat of the Fourth International. He was one of the founders of the Revolutionary Socialist League in 1956 and was appointed as its first General Secretary. Jimmy Deane left Britain for India in 1965 and subsequently spent a few years in Fiji. Although he returned to Britain he did not resume his active role in the Trotskyist movement: he remained loyal to his political beliefs, however. Jimmy Deane died in August 2002.
Reference: Obituary by John McIlroy, 'Revolutionary History' (volume 8, number 3).