Piotr Pustelnik (born 12 July 1951 in Łódź, Poland) is a Polish alpine and high-altitude climber. He is the 20th man to climb all fourteen . He is also a doctor of chemistry and researcher at the Łódź University of Technology.
| ascent with oxygen | |
| ascent with oxygen | |
| ascent with oxygen | |
| ascent with oxygen | |
| ascent with oxygen | |
| oxygen used during sleep | |
| ascent with oxygen |
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