It is worth adding Radek Jaros [yarosh] from the Czech Republic to the list of all-14 climbers. He climbed K2 in 2014 as his last of 8000m peaks and all of them without oxygen.
Thanks for the remark.
I have now added Radek and the other missing climbers on the list.
Nanga Parbat was climbed on February 26 2016 by imone Moro (Italy), Muhammad Ali Sadpara (Pakistan) and Alex Txikon (Spain):
Forgot about that one.