Igor Dyatlov was a Soviet engineer and the leader of the Dyatlov Pass expedition in 1959. He and nine other hikers set out to explore the Ural Mountains in Russia but tragically died under mysterious circumstances. The group was well-prepared and experienced, making their sudden disappearance and the subsequent discovery of their bodies puzzling. The incident has led to various theories, including an avalanche, military involvement, and even paranormal explanations. The site where the hikers were found, known as the Dyatlov Pass, has since become a topic of intrigue and speculation, drawing interest from researchers and enthusiasts alike.