The Contributions of Women to the United States Naval Observatory: The Early Years.

Dr. Charlotte Cynthia Barnum
Miss Charlotte Cynthia Barnum was the daughter of Rev. Samuel Weed Barnum and Charlotte Betts. She was born in Phillipston, Mass. on 17 May 1860. She received an AB from Vassar in 1881. She taught at private schools from 1881-1882, and public schools in 1883, 1885-1886. She worked as a computer for Yale, and Dana's Mineralogy, 1883-1887. She went on to teach mathematics at Smith College, 1889-1890, before returning to her studies at Johns Hopkins. Miss Barnum had been refused the privilege of attending lectures at Johns Hopkins in 1882, but was admitted in 1890 as a "regular hearer". After 2 years, she went on to Yale where she received a Ph.D. in mathematics in 1895.

Dr. Barnum held numerous positions in her life including: Teacher at Stamford, New Haven, Smith and Carleton (1895-1896) colleges. A computer both Yale (1883-1887)and the Naval Observatories (1901). Work for Dana's Mineralogy, Mutual Life Insurance Company, Fidelity Mutual Life Insurance, and the Tidal Division, U. S. Coast and Geodetic Survey. She was an editor for Webster's International Dictionary from 1886-1890, and 1897. She was an editor for the Biological Survey, U. S. Department of Agriculture, from 1908-1913. She edited and proofread scientific publication for Yale University from 1914-1926.

Dr. Barnum was a Fellow AAAS, a member of the American Mathematics Society. She was interested in functions having lines or surfaces of discontinuity, tides and currents, annuities, and Social legislation. She died in 1934.

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