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In the 1970's,
Thomas S. Szasz, one of
the nation's most controversial professors
of psychiatry, visited Mark Mulleian in his San Francisco studio at the Frank Gallery. Also in photo is author, Leonard Roy Frank.

Thomas Szasz once mailed an old key to Mulleian, who then put the key into a painting and sent it to Thomas Szasz as a gift. In astonishment Szasz replies back
in a letter to Mulleian.
Mark Mulleian Thomas S. Szasz Leonard Roy Frank