He was survived by his mother , Selma Levinson Steinberg , sister , Nancy Steinberg , and stepsister , Judith Margolin .
Robert Steinberg died on September 17 , 2008 , of lymphatic cancer at the age of 61 .
Robert Steinberg was survived by Robert Steinberg 's mother , Selma Levinson Steinberg , sister , Nancy Steinberg , and stepsister , Judith Margolin .
Robert Steinberg died on September 17 , 2008 , of lymphatic cancer at the age of 61 .