Frank Haven Hall

Frank Haven Hall (February 9, 1841 – January 3, 1911) was an American inventor and essayist who is credited with inventing the Hall braille writer and the stereographer machine. He also invented the first successful mechanical point writer and developed major functions of modern day typography with kerning and tracking.

Frank Haven Hall

Frank Haven Hall (February 9, 1841 – January 3, 1911) was an American inventor and essayist who is credited with inventing the Hall braille writer and the stereographer machine. He also invented the first successful mechanical point writer and developed major functions of modern day typography with kerning and tracking.