Ralph Blum, a cultural anthropologist and author, has written for various magazines including The New Yorker, Reader’s Digest, Cosmopolitan, and Vogue. Blum has published three novels and five nonfiction books on the oracular tradition, beginning with The Book of Runes. He has been living with prostate cancer, without radical intervention, for more than twenty years.
 
Mark Scholz, MD, has been treating men with prostate cancer exclusively since 1995. He is board certified in medical oncology and internal medicine and is the medical director of Prostate Oncology Specialists, Inc. He is also the executive director of the Prostate Cancer Research Institute