Roberts, Sam. "Joseph B. Keller, Mathematician With Whimsical Curiosity, Dies at 93", The New York Times, September 16, 2016. Accessed September 19, 2016. "Joseph Bishop Keller was born in Paterson, N.J., on July 31, 1923. His father, Isaac Keiles — whose name, he said, was changed when he arrived in the United States — was a Russian refugee who fled pogroms against Jews.... Joseph Keller competed on the math team at East Side High School in Paterson."