[1] He employed recent Amherst College graduate (and later US President) Calvin Coolidge in his firm Hammond & Field in 1895.

[2] John C. Hammond was born in Amherst, Massachusetts on August 15, 1842.

[3] Coolidge said of Hammond in his 1929 autobiography, "He was a lawyer of great learning and wide business experience, with a remarkable ability in the preparation of pleadings and an insight that soon brought him to the crucial point of a case.

He was massive and strong rather than elegant, and placed great stress on accuracy.

[5] He died in the shingle-style Queen Anne home he had built in 1891, located in the now-named Elm Street Historic District of Northampton, Massachusetts.