

The society was largely inactive early in the 2000s, but had a bit of a resurgence starting in 2004 and began accepting new members in 2009, the website says. His beliefs began to spread, and after his death, others took up the flat-Earth cause, though it was never widely accepted. Rowbotham's "system, called Zetetic Astronomy, held that the earth is a flat disk centered at the North Pole and bounded along its 'southern' edge by a wall of ice, with the sun, moon, planets, and stars only a few hundred miles above the surface of the earth," according to the Flat Earth Society's website.

Rowbotham founded the Flat Earth Society in the 1800s. Other ancient cultures in the Americas, China and India also likely held the belief that the Earth was flat. The Babylonians also had similar views about a flat, enclosed Earth. Historians suggest that the long-lived civilization believed the planet was square-shaped with four corners and an underworld below. to 332 B.C.E) believed in a flat Earth as well, scholars have said. Like B.o.B., at least some ancient Egyptians (3,100 B.C.E. So, in honor of these celebrities and others who believe in a flat Earth, here's a (not so comprehensive) history of "flat Earthers" through time: Ancient Egyptians and Babylonians
