Photograph: Delegates at the Manfred Sakel Institute (1972)
Unknown photographer. Depicts delegates at the Manfred Sakel Institute, New York University on 30 September 1972. Back row left to right: Friedman, Jose Delgado, Maurice Dangier, Paleotta ?, Ray Cooper. Front row, left to right: Sam Bogash, Natasha Bechtereva, William Grey Walter, Mrs Gimbal, unknown.
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