Robuta

https://www.mountain.ru/legacy-material.php?article_id=3948 First free ascent of the Japanese Diretissima on the Eiger North Face | MOUNTAIN.RU - Всё о горах.... The two professional Alpinists, Robert Jasper (Germany) und Roger Schali (Switzerland) managed to finally freeclimb, redpoint, the famous Japanese Route on the first free ascenteiger north faceof thejapanesemountain