Percival Lowell Percival Lowell Percival Lawrence Lowell (; March 13, 1855 – November 12, 1916) was an American businessman, author, mathematician, and astronomer who fueled speculation that there were canals on Mars. He founded the Lowell Observatory in Flagstaff, Arizona and formed the beginning of the effort that led to the discovery of Pluto 14 years after his death. Percival Lowell was born on March 13, 1855, in Boston, Massachusetts, the first son of Augustus Lowell and Katherine Bigelow Lowell. A member of the Brahmin Lowell family, his siblings included the poet Amy Lowell, the educator and legal scholar Abbott Lawrence Lowell,
Lowell Connector (now FHWA) or the American Association of State Highway Officials (now AASHTO). Further, the "Business I-495" designation was never posted on any signs for the Lowell Connector exit on I-495, US 3, or on any signs on the Connector mainline itself (verified by a comprehensive review of MassDPW signing plans for I-495, US 3, and the Lowell Connector from the late 1950s to the present), although such signs were posted at one time on local streets intersecting the Connector. The signs on Plain Street (Exit 4) lasted into the 2000s, but have since been removed. The Lowell Connector was recently