Fred Thayer

Fred Thayer
Thayer in a Harvard team photograph
Born
Frederick Winthrop Thayer

August 14, 1854
DiedSeptember 17, 1913 (aged 59)
Alma materHarvard

Frederick Winthrop Thayer (August 14, 1854 – September 17th, 1913) was an American baseball manager known for inventing the catcher's mask.