Patinkin dies in Chicago, Illinois from undisclosed causes. Northlight Theatre artistic director BJ Jones:
He was a figure like John Houseman or Kenneth Tynan for the Chicago theater. He was the chronicler, the adviser. He kept people afloat.
RIP dearest Sheldon Patinkin, my mentor.
— Julia Louis-Dreyfus (@OfficialJLD) September 21, 2014