IN MEMORIAM: Dr. Gerrit Gantvoort, 76; Retired SUNY Oneonta History Professor ONEONTA – A memorial gathering is Saturday, March 18, for Dr. John Gerrit Gantvoort, 76, retired SUNY Oneonta history professor, who died March 12, 2017, at Fox Hospital. He was born on March 5, 1940, in Camden, N.J., the son of John and Marie (Shaw) Gantvoort, and grew up in Fredonia.…