Question: who studied otzi the iceman?
Answer: The Iceman has living relatives. The match was made from samples of 3,700 anonymous blood donors in a study led by Walther Parson at Innsbruck Medical University. Sharing a rare mutation known as G-L91, "the Iceman and those 19 share a common ancestor, who may have lived 10,000 to 12,000 years ago," Parson said.