London was born and raised on the Upper West Side of Manhattan, New York City. A math prodigy at age five, London was on the radio show Quiz Kids, and was educated at the experimental elementary school at Hunter College, New York City.
London's background was rooted in the Upper West Side of Manhattan, New York City. He demonstrated remarkable aptitude for mathematics as a young child, appearing on the radio program "Quiz Kids," and received his education from a unique elementary school situated at Hunter College in New York City.