Frank Tipler
Frank Jennings Tipler (born February 1, 1947) is a mathematical physicist and cosmologist, holding a joint appointment in the Departments of Mathematics and Physics at Tulane University. Tipler has authored books and papers on the Omega Point, which he claims is a mechanism for the resurrection of the dead. Some have argued that it is pseudoscience. He is also known for his theories on the Tipler cylinder time machine.