“I also discovered that I had”: Cited in Burbidge 2003, p. 218.

and these collaborative exchanges: Described beautifully in an interview with Tommy Gold by historian of science Spencer Weart. The interview took place on April 1, 1978, for the American Institute of Physics.

Hoyle suggested cosmology as the topic: Described in a fascinating interview with Fred Hoyle, in Lightman and Brawer 1990, p. 55.

Chapter 9: The Same Throughout Eternity?

“not only the laws of nature”: Milne 1933.