He is well known for his studies on the life-circumstances and on the environment of the Neolithic glacier mummy „Ötzi“.
Some European men around 2000 B.C. wore leather breechcloths, as can be seen from the clothing of Ötzi.
Remains of Lipoptena cervi have been found on Ötzi, the Stone Age mummy from the Schnalstal glacier in South Tyrol.