Guy-Ernest Debord was a French Marxist theorist, philosopher, filmmaker, critic of work, member of the Letterist International, founder of a Letterist faction, and founding member of the Situationist

Gil Joseph Wolman was a French artist. His work encompassed painting, poetry and film-making. He was a member of Isidore Isou's avant garde Letterist movement in the early 1950s, then becoming a centr