British physicist and popular science author (born 1964)
Simon Lehna Singh, (born 19 September 1964) is a British popular science author, theoretical and particle physicist. His written works include Fermat's Last Theorem (in the United States titled Fermat's Enigma: The Epic Quest to Solve the World's Greatest Mathematical Problem), The Code Book (about cryptography and its history), Big Bang (about the Big Bang theory and the origins of the universe), Trick or Treatment?
https://en.wikipedia.org/wiki/Simon_Singh