John W. Wells

John West Wells (July 15, 1907 – January 12, 1994) was an American paleontologist, biologist and geologist who focused his research on corals.

He was notable for, among other things, proving that the rotational period of the Earth undergoes periodic changes. The National Academies of Science said that Wells "made an indelible mark on the world of paleontology." The Independent called Wells "the leading authority on modern and fossil corals, a noteworthy contributor on coral reefs and atolls". Wells was Professor of Geology, Ohio State University, Professor of Geology, Cornell University, President, Paleontological Society, a member of the National Academy of Sciences.