Isaac Newton (1643-1727) was an astronomer, mathematician, philosopher and theologian (he is generally considered to have been an Arian Christian, opposing the doctrine of the Trinity). He wrote a number of important works including The Chronology of Ancient Kingdoms Amended, which was published in 1728. In it he discussed a range of mythological links to Atlantis, including a possible connection with Homer’s Ogygia. Newton’s interest in the subject was such that he ordered a copy of Olof Rudbeck’s multi-volume Atlantica.

Wikipedia refers to Newton’s belief in Atlantis as follows:

Found within “The Chronology of Ancient Kingdoms”, are several passages that directly mention the mythical land of Atlantis. The first such passage is part of his Short Chronical which indicates his belief that Homer’s Ulysses left the island of Ogygia in 896 BC. In Greek Mythology, Ogygia was home to Calypso, the daughter of Atlas (after whom Atlantis was named). Some scholars have suggested that Ogygia and Atlantis are locationally connected, or possibly the same island. From his writings it appears Newton may have shared this belief. Newton also lists Cadis or Cales as possible candidates for Ogygia, though does not cite his reasons for believing so. Within the same material Newton mentions that according to ancient sources, Atlantis had been as big as all Europe, Africa and Asia, but was sunk into the Sea.

Newton may have been the first in his Principia Mathematica of 1687 to suggest the idea of polar wandering.

According to his biographer, Col. R. de Villamil, Newton lived in an ‘atmosphere of crimson’ having furniture and furnishings adorned with his favourite colour.

^(a) http://www.gutenberg.org/ebooks/15784  (full text)

^(b) http://www.atlantisbolivia.org/isaacnewtonatlantis.htm (excerpt)