Apriel’s Reviews > Abominable Science!: Origins of the Yeti, Nessie, and Other Famous Cryptids > Status Update

I’m pretty sure, even back in 2013, that Messner wasn’t the only person to have summited Everest without using supplemental oxygen or climbed all 14 of the eight thousanders. I believe that by the early 2000s Ed Vestiers, and a few others, had also achieved these feats.