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.