| Nationalities: | Poland. |
|---|---|
| Types: | Speleologist / caving |
with bill stone and British cave diver Phil Short
http://www.newyorker.com/magazine/2014/04/21/in-deep-2
When he was seventeen, he and another caver became the first people to climb, from top to bottom, what was then the world’s deepest cave, the Réseau Jean Bernard, in the French Alps.