1855 – Born on March 13th in Boston, Massachusettts. An American astronomer who predicted the existence of Pluto.
1876 – Graduated from Harvard University.
1886-1906 – Author of the books, Chosön: The Land of the Morning Calm, The Soul of the Far East, Noto, Occult Japan, Mars and Mars and It’s Canals.
– Founded the Lowell Observatory in Arizona.
1908 – Married to Constance Savage Keith.
– Wrote Mars as the Abode of Life.
1916 – Died on November 12th in Flagstaff, Arizona.