Coming Events
I am vaccinated against Covid-19. I can do talks and interviews in person or online (see Contact page to set one up).
17 December 2022: Interview with Canadian Broadcasting Corporation's radio show, Quirks & Quarks. Check your local schedule for the time. It will also appear online as a podcast, to which I will provide a link when I have it.
January 2023: Publication of book excerpt and related opinion piece about my latest book, The Phantom God, in The Scientist.
19 February 2023, 10:30AM CST: Talk about my second book, The Phantom God, for the Houston Oasis meeting. This is an in-person event: Baker Ripley Community Center, 6500 Rookin St, Houston, TX 77074.

Clark's nutcracker south of Pinchot Pass, John Muir Trail.

Chance favors the prepared photographer.
Clark's nutcracker takes flight. Photos by Gwyn Sivertsen