Barry Setterfield is a young earth creationist from Australia who is known for proposing that the speed of light was faster in the past.  In 1999, John Webb, a professor at the University of New South Wales in Sydney, Australia, and his colleagues reported astronomical observations suggesting that the value of the fine-structure constant (which is related to the speed of light) may have changed (They subsequently published their observations in 2001 in Physical Review Letters). If correct, then various theories that constants have always been the same may need to be changed. When Barry Setterfield took the position that the speed of light was much faster in the past the main objection was the purported constancy of fundamental laws.
Mr. Setterfield also lectured at the Astronomical Society of South Australia for six years. 
Barry and his wife, Helen, live in southern Oregon where Barry is the astronomer of the New Hope Observatory. His recent work involves the Zero Point Energy and plasma physics. Years of measurements showing a number of ‘constants’ have been systematically changing have pointed to the changing Zero Point Energy as the parent cause. His recent papers are available on his website (www.setterfield.org).
- Barry Setterfield website
- Barry Setterfield Research Library
- Selected Research Papers by Barry Setterfield