Karl Herrligkoffer and Irene Schnass at the Müncher Institut Für Auslandforschung.

International K2 expedition 1986. Expedition leader Karl Maria Herrligkoffer. On July 8 1986, Jerzy Kukuczka and Tadeusz Piotrowski climbed the K2 peak (8,611 m above sea level) with a new alpine-style road.