Dorothy Seymour Mills

Dorothy Jane Mills (née Zander; July 5, 1928 – November 17, 2019), known as Dorothy Seymour Mills, was an American baseball researcher, author, and novelist who authored and co-authored over thirty books, fiction and non-fiction, over her life.

Seymour Mills is best known as the co-author the Baseball trilogy with her first husband Harold Seymour: Baseball: The Early Years, Baseball: The Golden Age, and Baseball: The People's Game. The Baseball series is recognized as the first in-depth scholarly analysis of the sport's history and continues to be referenced in modern research. Uncredited during her husband's lifetime, Seymour Mills finally received co-authorship credits in 2011.