There is a funny but true story about Reinhold Messner and a kiosk at 4000 meters on Matterhorn. A video is available about this but it is in German, so perhaps some people did not know about it.
40 Years of the First Mount Everest Solo Ascent by Messner Without Oxygen
In case you missed, today is 40 years of Messner’s first solo ascent of Mount Everest, as the first person ever who did such a climb.
Why Reinhold Messner Is The Greatest Living Human
I do not think I can present here any new information about Messner. It is enough to go to Wikipedia and you will find much more. But this is not the point. Here, I wish to say why I think Reinhold Messner is the greatest living human.