Augustus Lowell several books on the Far East and on the planet Mars, and founded the Lowell Observatory in Flagstaff, Arizona. Their second son, Abbott Lawrence Lowell, succeeded Augustus as Trustee at the Lowell Institute in 1900, and became President of Harvard College in 1909, serving in that capacity until 1933. One of their daughters, Katharine Lowell, married (1) James Alfred Roosevelt, of the Long Island clan, and (2) T. James Bowlker, a Boston cotton mill owner. And their youngest daughter, Amy Lowell, 20 years younger than her brothers, would become the second celebrated poet in the Lowell family (Greenslet 1946). Augustus
Percival Lowell Planet X. Lowell started a search program in 1906 using a camera in aperture. The small field of view of the reflecting telescope rendered the instrument impractical for searching. From 1914 to 1916, a telescope on loan from Sproul Observatory was used to search for Planet X. Lowell did not discover Pluto but later Lowell Observatory (observatory code 690) would photograph Pluto in March and April 1915, without realizing at the time that it was not a star. In 1930 Clyde Tombaugh, working at the Lowell Observatory, discovered Pluto near the location expected for Planet X. Partly in recognition of