 He was a member of Isidore Isou's avant garde Letterist movement in the early 1950s, then becoming a central figure in the Letterist International, the group which would subsequently develop (without Wolman himself) into the Situationist International.Wolman joined the Letterists in 1950, although he quit the group only two years later.His first published work appeared in the 1950 first issue of their journal "Ur", where his 'Introduction to Wolman' would set the scene for later creations