McCormick was internationally recognized for his expertise in New Jersey and early American political history.
Born in Queens, New York City, on December 24, 1916, McCormick moved with his family to Tenafly, New Jersey.
[1] He graduated from Tenafly High School in 1933, and was encouraged to apply for college by a typing teacher in his senior year.
He earned his Doctor of Philosophy (Ph.D.) in 1948 from the University of Pennsylvania in Philadelphia, where his dissertation was titled, Experiment in Independence: New Jersey in the Critical Period, 1781-1789, and was edited for his first monograph.
[3] McCormick died on January 16, 2006, in Bridgewater Township, New Jersey, at the age of 89 following an extended illness.