Oleg Nagornov

As of my last update, there is no widely recognized figure or concept specifically known as "Oleg Nagornov." It's possible that he may be an emerging figure or related to a niche topic that became prominent after my last knowledge update in October 2021. If you could provide more context or specify the area related to Oleg Nagornov (e.g., a field like politics, sports, science, etc.