Title Page | Collection Summary | Biographical/Organizational Note | Scope and Content | Arrangement
Biographical Note
| Date | Event |
|---|---|
| 1835, Mar. 12 | Born, Wallace, Nova Scotia |
| 1853 | Came to the United States |
| 1854 | Began teaching career, Massey’s Cross Roads, Kent Co., Md. |
| 1855 | First publication, a letter in The National Intelligencer, Washington, D. C. |
| 1857 | Appointed computer in Nautical Almanac office, Cambridge, Mass |
| 1858 | B.S., Harvard University, Cambridge, Mass. |
| 1861 | Commissioned professor of mathematics, United States Navy |
| 1877 | Appointed superintendent, American Ephemeris and Nautical Almanac Office |
| 1884 | Appointed professor of mathematics and astronomy, Johns Hopkins University, Baltimore, Md. |
| 1897 | Retired from navy and as superintendent of the American Ephemeris and Nautical Almanac |
| 1903-1904 | President, International Congress of Arts and Sciences, Louisiana Purchase Exposition, St. Louis, Mo. |
| 1909, July 11 | Died, Washington, D. C. |