Geoffrey Simmons

Geoffrey Simmons, MD, has authored seven novels, including The Z Papers, which sold 350,000 copies, and Pandemic, described by Publishers Weekly as “a hard lean thriller too fast to disbelieve.” His newest novel is Oppenheimer’s Demon, praised as “a riveting disaster thriller in which both the origin and end of man hang in the balance.” His nonfiction successes include What Darwin Didn’t Know and Billions of Missing Links. He holds a BS in biology from the University of Illinois, with coursework completed for an MS in microbiology, and an MD from the University of Illinois Medical School. A board-certified internist (1974–2016) and part-time hospitalist (1995–2016), he has been a Community Emergency Response Team (CERT) trainer, served on FEMA’s Regional Advisory Council (Region Ten), and is a former member of the Board of Governors of the American Academy of Disaster Medicine. A Fellow of Discovery Institute, he lives in Eugene, Oregon. Simmons has lectured on disaster preparedness on radio and TV as well as at many neighborhood associations and high schools. Additionally, he has been a medical correspondent for KABC in Los Angeles and KPNW in Eugene, and a guest on the Steve Allen show. He also has made numerous radio appearances related to his books and articles, and he had a radio show, Doc Talk, for seven years on Eugene’s KUGN.

Archives

Late Night Fun with Evolution and Oppenheimer

_{Geoffrey Simmons
September 28, 2026}

Bats by the millions would be falling from the roofs of caves if that ankle-locking design, an all-or-nothing proposition, had not come about all at once

The Real-Life Medicine and Science Behind Oppenheimer’s Demon

_{Geoffrey Simmons
August 26, 2026}

Most people know about the two atomic bombs dropped on Japan in 1945. But Robert Oppenheimer’s Manhattan Project had on hand another nuclear core. After claiming the lives of two scientists in separate accidents, it was dubbed the Demon Core and melted down. Some demons, however, are not so easily destroyed. Today, guest host Jonathan Witt concludes his conversation with medical doctor, disaster prep expert, and novelist Geoffrey Simmons about his new thriller novel Oppenheimer's Demon, now available from Discovery Institute Press. This is Part 2 of a two-part conversation.

Science & Suspense: Geoffrey Simmons Talks Oppenheimer’s Demon

_{Geoffrey Simmons
August 24, 2026}

Have you ever read a book wherein both the origin and end of man hang in the balance? That's a rare combination that comes together in a new disaster thriller novel now available from Discovery Institute Press. On this ID The Future, DI Press executive editor and CSC senior fellow Jonathan Witt takes a turn at the hosting mic as he welcomes medical doctor, disaster preparedness expert, and novelist Geoffrey Simmons to discuss his latest book Oppenheimer's Demon. This is Part 1 of a two-part conversation.

Race Against the Clock: Geoff Simmons Reads From Oppenheimer’s Demon

_{Geoffrey Simmons
August 19, 2026}

There are many books written by intelligent design scientists and scholars that explore the scientific evidence for intelligent design and the debate over evolution. But a new book published by Discovery Institute Press manages to be concerned with “both the origin and the end of man” in the same book! On this ID The Future, distinguished physician, successful novelist, and disaster preparedness expert Geoffrey Simmons is going to read to us a few scenes from his new thriller novel Oppenheimer’s Demon.