Percival Lowell (/ˈloʊəl/; March 13, 1855 – November 12, 1916) was an American businessman, author, mathematician, and astronomer who fueled speculation...

led by the patriarch Percival Lowle (c. 1570–1664/1665). The surname was spelt in many ways until it was standardised as Lowell from about 1721, apparently...

the Lowell Observatory that the dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh. The observatory was founded by astronomer Percival Lowell of...

marriage to Percival Lowell's sister, Elizabeth, in 1888, Putnam (who was also Percival's half third cousin) handled a large part of the Lowell family's...

century and continued at the start of the 20th with Percival Lowell's quest for Planet X. Lowell proposed the Planet X hypothesis to explain apparent...

First Lady Edith Wilson, American actor Glenn Strange, and astronomer Percival Lowell. Pocahontas's birth year is unknown, but some historians estimate it...

environment. This vision of Mars was based on the work of the astronomer Percival Lowell, whose ideas were widely popularized in the late 19th and early 20th...

extraterrestrial life on the planet. This influenced American astronomer Percival Lowell. In 1895 Lowell's book Mars speculated about an arid, dying landscape, whose...

Pickering. Through his paternal grandmother, Rebecca Russell Lowell, he descended from Percival Lowell who had arrived at Cape Ann in 1639. After spending time...

English as "canals". Influenced by the observations, the orientalist Percival Lowell founded an observatory which had 30- and 45-centimetre (12- and 18-in)...

member of the Brahmin Lowell family, his siblings included the poet Amy Lowell, the astronomer Percival Lowell, and Elizabeth Lowell Putnam, an early activist...

Percival Lloyd (1872–1915), American architect Percival Lowell (1855–1916), American astronomer Percival Mabasa, known professionally as Percy Lapid (1959–2022)...

on the planet. This further influenced American astronomer Percival Lowell. In 1895 Lowell published a book titled Mars which speculated about an arid...

to be optical illusions. Despite this, in 1895, American astronomer Percival Lowell published his book Mars, followed by Mars and its Canals in 1906, proposing...

adopted as the only intelligible explanation, by American astronomer Percival Lowell and a few others. The visible seasonal melting of Mars polar icecaps...

founders of Boston. On his mother's side, Percival Lowell (the noted astronomer) and Abbott Lawrence Lowell (president of Harvard University from 1909...

astronomer Percival Lowell; and his grandfather John Amory Lowell. Prior to the 1996 transition to randomized House assignments, Lowell's central location...

Brahmin Lowell family, her siblings included the astronomer Percival Lowell, the educator and legal scholar Abbott Lawrence Lowell, and Elizabeth Lowell Putnam...

trans-Neptunian planet (also called Planet X), which had been predicted by Percival Lowell based on calculations performed by his student mathematician Elizabeth...

of Augustus Lowell and Katherine Bigelow Lowell. A member of the Brahmin Lowell family, her siblings included the astronomer Percival Lowell, the educator...

the red planet. These canals were named by Giovanni Schiaparelli and Percival Lowell, amongst others, after real and legendary rivers of various places...

to be optical illusions. Despite this, in 1895, American astronomer Percival Lowell published his book Mars, followed by Mars and its Canals in 1906, proposing...

disturbed by another planet besides Neptune. In 1906, Percival Lowell—a wealthy Bostonian who had founded Lowell Observatory in Flagstaff, Arizona, in 1894—started...

could be interpreted to stand for Pluto or for Percival Lowell, the astronomer who initiated Lowell Observatory's search for a planet beyond the orbit...

looking for the type of extraterrestrial that would have appealed to Percival Lowell [astronomer who believed he had observed canals on Mars]." Paul Davies...

in Percival Lowell's 1895 map of Mars. Under the name of De La Rue Ocean it was included in Procter's 1905 map of Mars. Geography of Mars Lowell, Percival...

PL (which can be interpreted to stand for Pluto or for astronomer Percival Lowell), was announced with the name of the new planet by the discoverers...

Map of Martian "canals" by Percival Lowell...

canals on Mars emerged and made its way into fiction, popularized by Percival Lowell's speculations of an ancient civilization having constructed them. The...

atmosphere, the idea of life on Mars became popularized among the public. Percival Lowell believed he could see a network of artificial canals on Mars. These...