Humbert was born April 13, 1933, in Kansas City, Mo., the son of C. Humbert Tinsman ’28, and he attended Pembroke Country Day School in Kansas City. At Princeton he majored in basic engineering and joined Elm Club. Senior year he roomed with Kevin Tait.
He and his brother managed University State Bank in Lawrence, Kan., later named Bank of Kansas. They also formed Horizon National Bank, renamed NBKC Bank. He was devoted to opera and was an avid manuscript collector. Humbert was also active in a museum of art, library, country club, hospital, and several other civic and fraternal groups.
He and his wife loved to travel by plane, train, car, and ship, notably to Europe and especially Italy, which prompted him to study Italian, and trips to Greece that led him to study Greek. He enjoyed tennis, golf, cycling, fishing, horseback trips, and cross-country skiing.
Humbert is survived by his wife of 40 years, Carol; children Katherine, Penelope, C. (Chuck) Humbert III, and Robert; and his brother, James.