Willerslev handed in his PhD thesis as a doctor thesis and obtained his DSc at Copenhagen University in 2004 .
Willerslev also lived as a fur trapper in the Sakha ( Yakutia ) Republic from 1993 -- 94 .
Willerslev handed in Willerslev 's PhD thesis as a doctor thesis and obtained his DSc at Copenhagen University in 2004 .
Willerslev also lived as a fur trapper in the Sakha ( Yakutia ) Republic from 1993 -- 94 .