Which Russian journalist auctioned his Nobel Prize to assist displaced children of Ukraine in June 2022?

Which Russian journalist auctioned his Nobel Prize to assist displaced children of Ukraine in June 2022?

Explanation

Dmitry Muratov: the co-winner of the 2021 Nobel Peace Prize  (also journalist) auctioned off his Nobel medal for a record $103.5 million to aid children displaced by the war in Ukraine in June 2022.