Zuckerman was born in Montreal, Quebec, Canada, the son of Esther and Abraham Zuckerman, who owned a tobacco and candy store. His family was Jewish, and his grandfather was an Orthodox rabbi. Zuckerman entered McGill University at the age of 16. He graduated from McGill with a BA in 1957 and a BCL in 1961, although he never took the bar exam. That same year, Zuckerman entered the Wharton School of the University of Pennsylvania, where he earned an MBA degree with a distinction of honor. In 1962, he received an LLM degree from Harvard Law School.