The Monty Python Gang explains how the Cosmic Microwave Background (CMB) temperature of 2.725 may be linked to the number e=2.718…? The video at this link asks that question.

Monty Python and the CMB Argument - YouTube

For historical reference, the Fred Hoyle character I used was a well-respected English astronomer from last century who seemed to always be popping up and debating his colleagues’ cosmological models.