Geoffrey Burbidge British astronomer Fred Hoyle, he and his wife were co-authors of "Synthesis of the Elements in Stars", a fundamental paper on stellar nucleosynthesis published in 1957. It is commonly referred to as the BFH paper after the initials of the surnames of the four authors. This paper describes the process of stars burning lighter elements into successively heavier atoms which then are expelled to form other structures in the universe, including other stars and planets. In recent years Burbidge was known mostly for his alternative cosmology "quasi-steady state theory", which contradicts the Big Bang theory. According to Burbidge, the universe
The Big Bang Theory progress to the boards ... . We worked hard to get all the science right." Several of the actors in "The Big Bang Theory" previously worked together on the sitcom "Roseanne", including Johnny Galecki, Sara Gilbert, Laurie Metcalf (who plays Sheldon's mother, Mary Cooper), and Meagen Fay (who plays Bernadette's mother). Additionally, Lorre was a writer on the series for several seasons. The Canadian alternative rock band Barenaked Ladies wrote and recorded the show's theme song, which describes the history and formation of the universe and the Earth. Co-lead singer Ed Robertson was asked by Lorre and Prady to write