Samuel Rowbotham

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Samuel Birley Rowbotham (1816–1884) was an English inventor and writer who wrote Zetetic Astronomy: Earth Not a Globe under the pseudonym "Parallax". His work was based on his decade-long studies of the earth and was originally published as a 16-page pamphlet (1849), which he later expanded into a 430-page book (1881). According to Rowbotham's method, which he called Zetetic Astronomy, the earth is an enclosed plane, centered at the North Pole and bounded along its outward edge by a wall of ice, with the sun, moon, planets, and stars only a few hundred miles above the surface of the earth.


Rowbotham started out as an organiser of an Owenite commune in the Fens, where he first observed the strange phenomenon on the Bedford level that led to his theories about the earth. Following allegations of sexual misconduct he reinvented himself as an itinerant lecturer under the name Parallax. He took a little time to learn his trade, running away from a lecture in Blackburn when he couldn't explain why the hulls of ships disappeared before their masts when sailing out to sea.[1] However, as he persisted in filling halls by charging sixpence a lecture his quick-wittedness and debating skills were honed so much that he could "counter every argument with ingenuity, wit and consummate skill".[2]

When finally pinned down to a challenge in Plymouth in 1864 by allegations that he wouldn't agree to a test, Parallax appeared on Plymouth Hoe at the appointed time, witnessed by Richard Proctor, a writer on astronomy, and proceeded to the beach where a telescope had been set up. His opponents had claimed that only the lantern of the Eddystone lighthouse, some 14 miles out to sea, would be visible. In fact, only half the lantern was visible, yet Rowbotham claimed his opponents were wrong and that it proved the earth was indeed flat so that many Plymouth folk left the Hoe agreeing that "some of the most important conclusions of modern astronomy had been seriously invalidated".[3]

In 1861 Rowbotham was married for a second time to the 16-year-old daughter of his laundress and settled in London, producing 14 children, of whom 4 survived. He was also alleged to be using the name "Dr. Samuel Birley", living in a beautiful 12-roomed house selling the secrets for prolonging human life and curing every disease imaginable.[4] De Morgan refers to him as S. Goulden.[1] He patented a number of inventions including a 'life-preserving cylindrical railway carriage'.

His book Zetetic Astronomy - The Earth not a Globe appeared in 1864. His lectures continued and concerned citizens addressed letters to the Astronomer Royal seeking rebuttals for his claims. A correspondent to the Leeds Times observed that "One thing he did demonstrate was that scientific dabblers unused to platform advocacy are unable to cope with a man, a charlatan if you will (but clever and thoroughly up in his theory), thoroughly alive to the weakness of his opponents".[5]


One of Rowbotham's followers, John Hampden, a Christian polemicist, gained notoriety by engaging in raucous public debates with leading scientists of the day. A bet involving the prominent naturalist Alfred Russel Wallace in the famous Bedford Level experiment led to several lawsuits for fraud and libel and Hampden's imprisonment.

After Rowbotham's death, Lady Elizabeth Blount founded the Universal Zetetic Society which attracted thousands of followers, published a magazine entitled The Earth Not a Globe Review and remained active well into the early part of the 20th century. After World War I, the movement underwent a slow decline, but it was revived in 1956 as The Flat Earth Society.

In the United States, Rowbotham's ideas were taken up by the Christian Catholic Apostolic Church and promoted widely on their radio station. His work in the United States was continued by William Carpenter. Carpenter, a printer originally from Greenwich, England, a supporter of Rowbotham and published Theoretical Astronomy Examined and Exposed - Proving the Earth not a Globe in eight parts from 1864 under the name Common Sense. He later emigrated to Baltimore where he published A hundred proofs the Earth is not a Globe in 1885.[6] He argues that:

  • "There are rivers that flow for hundreds of miles towards the level of the sea without falling more than a few feet — notably, the Nile, which, in a thousand miles, falls but a foot. A level expanse of this extent is quite incompatible with the idea of the Earth's convexity. It is, therefore, a reasonable proof that Earth is not a globe."
  • "If the Earth were a globe, a small model globe would be the very best - because the truest - thing for the navigator to take to sea with him. But such a thing as that is not known: with such a toy as a guide, the mariner would wreck his ship, of a certainty!, This is a proof that Earth is not a globe."

See also


  1. 1.0 1.1 De Morgan, Augustus (1872). "Zetetic Astronomy". A Budget of Paradoxes. II.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. Garwood 2007, p. 54
  3. Garwood 2007, pp. 56–61
  4. Garwood 2007, pp. 132, 149
  5. Leeds Times, 11 May 1867, p.8. quoted by Garwood 2007, p. 68
  6. William Carpenter, One hundred proofs that the earth is not a globe, (Baltimore: The author, 1885).Archived March 8, 2008 at the Wayback Machine
  • Garwood, Christine (2007). Flat Earth: The History of an Infamous Idea. Macmillan. ISBN 978-0-330-43289-4.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links