Dr John Gideon Hartnett is an Australian physicist and cosmologist, and a Christian with a biblical creationist worldview. He received a B.Sc. (Hons) and Ph.D. (with distinction) in Physics from The University of Western Australia, W.A., Australia. Between May 2013 and May 2016, he was an Australian Research Council (ARC) Discovery Outstanding Researcher Award (DORA) fellow at the University of Adelaide. Now retired. He has published more than 200 papers in scientific journals, book chapters and conference proceedings.

He was a foundering Director of Cryoclock Pty Ltd, a small Australian startup attempting to commercialise his research. See

He is an artist in mediums of oils and acrylics.

Recently I have realised we are in the last days of this world history.

2 replies on “Biosketch”

Hi Dr Hartnett.

As a fellow physicist and believer in the Genesis account of creation, I can only say that you are an inspiration. God bless your work.