Percival Lowell was an American businessman, author, mathematician, and astronomer who fueled speculation that there were canals on Mars, and furthered theories of a ninth planet within the Solar System. Wikipedia
Born: March 13, 1855, Boston, MA
Died: November 12, 1916 (age 61 years), Flagstaff, AZ
Discovered: 793 Arizona
Education: Harvard University (1876) and Noble and Greenough School (1872)
Parents: Augustus Lowell and Katherine Bigelow Lowell
Siblings: A. Lawrence Lowell and Amy Lowell
Books