Frank Stephen Baldwin
Frank Stephen Baldwin (April 10, 1838 – April 8, 1925) was an American who invented a pinwheel calculator in 1875. He started the design of a new machine in 1905 and was able to finalize its design with the help of Jay R. Monroe who eventually bought the exclusive rights to the machine and started the Monroe Calculating Machine Company to manufacture it.
Frank Stephen Baldwin | |
|---|---|
| Born | April 10, 1838 New Hartford, Connecticut |
| Died | April 8, 1925 (aged 86) |
| Known for | calculating machine |
| Spouse | Mary K. Denniston (Sept. 23, 1848 – July 15, 1928) |
| Children | Frank Pardee Baldwin (Oct. 1, 1873 – March 16, 1946) Emma Virginia Baldwin (Feb. 14, 1877 – Feb. 25, 1952) Eugene Denniston Baldwin (1880–?) George Howard Baldwin (1890–1950) Elbert Stephen Baldwin (Jan. 5, 1882 – June 10, 1956) Lillian Isabel Baldwin (June 2, 1886 – May 23, 1916) Blanche Baker Baldwin (July 28, 1891-Nov. 22, 1969) |
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