At Cornell University, he did his master's degree and Ph.D. in American history with his dissertation entitled The Rise of Major League Baseball to 1891.
[1] Seymour met his second wife Dorothy Zander while he was a history professor at Fenn College and she was student.
After backlash from female members of the organization, SABR decided to jointly award the pair.
"[4] In 2011, Oxford University Press co-credited Seymour Mills as the co-author of the trilogy, alongside her husband, finally acknowledging her contributions to baseball, with her name coming first on the third book.
[5] Towards the end of his life, Seymour suffered from Alzheimer's disease and he was placed in a nursing home in Keene, New Hampshire, three months before his death.