The cause of death of a group of hikers on an expedition in the Northern Urals in 1959 has remained a mystery for more than 60 years. There have been close to a hundred theories of what may have ...

The group was originally comprised of 10 students and alumni from the Ural Polytechnical Institute (UPI): Igor Dyatlov, 23; Yuri Doroshenko, 21; Lyudmila Dubinina ... their cause of death remains a ...

The "Dyatlov group": Yuri Nikolayevich Doroshenko (23), Lyudmila Alexandrovna Dubinina ... noting that "the cause of death was an unknown compelling force which the hikers were unable to overcome." ...

In any case, it wasn't just the tongue that was missing. According to the Dyatlov autopsy reports, also missing was some soft tissue around the woman's eyes, eyebrows, nose bridge, upper lip ...

The 60-year-old mystery of the deaths of Igor Dyatlov ... to death in August is a most unenviable outcome. The fate befell a group of tourists from Kazakhstan, led by professional climber Lyudmila ...

The hikers, led by Igor Dyatlov ... Rustem Slobodin's autopsy revealed skull trauma suggesting that he had been forcefully hit in the head. The bodies of Lyudmila Dubinina, Aleksander Kolevatov ...

The cross-country skiers were killed by hypothermia in the notorious Dyatlov Pass in the Ural Mountains ... and the tongue and eyes of Lyudmila Dubinina, 21, and Semen Zolotarev, 38, were missing.