International Magic Circle
International Magic Circle was form in the 1930s by Blackstone (who was president) and Walter Gibson (who edited their official journal, Seven Circles) as competition to the IBM and SAM. Howard Thurston, T Nelson Downs, the Great Raymond, Dorny, Dr Tarbell, and Len Vintus all served various times as vice presidents.
It only lasted a few years.
The First Circle membership was conferred upon all who professed interest in Magic. There were no dues, or other qualifications, and it required no obligation.
Members of Second Circle was anyone that subscribed to the Seven Circles magazine.
The Third Circle those that paid membership dues to the International Magic Circle.
The Fourth Circle membership was conferred upon all members of the Third Circle who held office in the society or completed two years active membership in the Third Circle, with payment of dues.
The Fifth, Sixth and Seventh Circles were honorary degrees given to members of the Fourth Circle who had shown special ability in Magic, who contributed to the art or literature of Magic, or who had been constant in their service in the society.
- See also: the British Magic Circle.