Use of the climbing carabiner was actually a logical consequence of the use of piton invented by Hans Fiechtl and tested by Hans Dülfer, although climbers as prestigious as Paul Preuss or Eugen Guido Lammer were opposed to any artificial process.
1911 Dülfer-Kamin am Totenkirchl (literal English: Duelfer chimney at the dead church)
It is particularly known for its chimneys including the Dülfer Chimney (Dülfer-Kamin) named after Hans Dülfer.
Hans Christian Andersen | Hans Holbein the Younger | Hans Zimmer | Hans Werner Henze | Hans Memling | Hans Pfitzner | Hans Küng | Hans Conried | Candy Dulfer | Hans Knappertsbusch | Hans Magnus Enzensberger | Hans-Dietrich Genscher | Hans Blix | Hans Zender | Hans Scholl | Hans Hofmann | Hans Christian Ørsted | Hans Raj Hans | Hans Habe | Hans Baldung | Baron Hans Heinrich Thyssen-Bornemisza | Hans von Ohain | Hans van Manen | Hans Urs von Balthasar | Hans Sloane | Hans Rosbaud | Hans-Georg Backhaus | Hans-Adam II, Prince of Liechtenstein | Yuvraj Hans | Hans von Halban |
At various occasions, Trần Mạnh Tuấn has perform with a number of well known musicians such as Herbie Hancock, Wayne Shorter, Derek Nash, Lillian Boutte, Charlie Bisharat, Dave Grusin, Don Grusin, Hans Dulfer, Fulvio Albano, Rob Mullins, Mike Del Frerro, John Ferguson, Stephan Echer, Co Co York, Jennifer Ryan, Mezcal Jazz Unit, Dana Leong, Denis Mininfield.