![Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2626253&cache=false)
Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia
![Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2626250&cache=false)
Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia
![Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia Lyon Tyler Sr. (August 24, 1853 — February 12, 1935), American educator, genealogist, historian, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2626255&cache=false)