Thaddeus Seymour (June 29, 1928 – October 26, 2019) was an American academician.
His father, Whitney North Seymour was president of the American Bar Association.
[9] John Phillips, president of the National Association of Independent Colleges and Universities praised Seymour's work at Rollins.
According to Keith Henderson of The Christian Science Monitor Seymour was the son-in-law of celebrated illustration instructor Jon Gnagy, who hosted TV series in the 1950s and '60s.
Seymour died in his home in Winter Park, Florida, on October 26, 2019, at age 91.