Frank Haven Hall
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Frank Haven Hall 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 writ
Frank Hall in 1899
Hall-Braille writer, 1892
Early 1800s model of the Hansen Writing Ball used by Hall as a template
Print setter used as an ink carrier in the 1800s
Christopher Latham Sholes
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Christopher Latham Sholes was an American inventor, newspaper publisher, politician, and Wisconsin pioneer. He was the inventor of the QWERTY keyboard, and—along with Samuel W. Soule, Carlos Glidden,
Frank Haven Hall
…academic administrator but soon detoured to continue his research in Braille and commercial typewriters. He was present at a typewriter exhibition by Christopher Latham Sholes and saw the first prototype in January 1867. He compared the technical specifications of his earlier prototypes of the Braille writer and say modes to…
Sholes
John Pratt's Pterotype, the inspiration for Sholes in July 1867, a version close to the stock model advocated by fellow inventor Frank Haven Hall
Wisconsin Historical Marker
Sholes typewriter, 1873 at Buffalo History Museum