The only recent human population that lacked fire was the Tasmanians. They of course had fire when Tasmania was still connected to Australia, but lost the secre

The only recent human population that lacked fire was the Tasmanians. They of course had fire when Tasmania was still connected to Australia, but lost the secret, probably in some catastrophe that wiped out hereditary fire-keepers. Tasmanians were almost exterminated by British occupiers conducting safaris.