the tekke (monastery) of the Mevlevi Order of Sufis (founded by Jalal al-Din Muhammad Rumi ) where Gurdjieff, Ouspensky and Thomas de Hartmann experienced the sema ceremony of The Whirling Dervishes . In Istanbul Gurdjieff also met John G. Bennett [1] . In August 1921 and 1922 Gurdjieff traveled around western