Oleg V. Kozyrev

Oleg V. Kozyrev is a Russian paleontologist and cryptozoologist who has spent his career studying the extinction of megafauna. He is the author of several books on the subject and has been a vocal critic of the conventional wisdom on the extinction of mammoths. Kozyrev has also been involved in various expeditions to search for evidence of the existence of unknown species. He is a prominent figure in the field of cryptozoology and has been featured in several documentaries and media outlets.