Barry Setterfield claims that c (the speed of light) was infinite at the beginning of the universe and has been gradually slowing down ever since. The original high speed explains how light from distant stars and galaxies has reached the earth in far less time than seems necessary.
G. P. Jellison and W. T. Bridgman have written a detailed rebuttal of Setterfield's ideas:
I would like to discuss how Jellison has supposedly debunked Setterfield's ideas.
Edited by Admin, : Rewrite the OP.