The Master...

...with some representatives of First Generation of the Petriots.

Standing, from left: Newman POWELL, Leonard KLEIN, Alexander LIBERMANN, Egon PETRI, Lois MAER, Phillip MORGAN, Robert SHELDON, John SWEENEY. Seating, from left: John MORIARTY, Terry WOHL, Alice RAY, Ruth ORR, Ruth PREUSSER, Forrest ROBINSON.

This photo has been taken at Petri's Studio at MILLS COLLEGE, Oakland, California (probably in late 1940's).