Well, I should make the request more clear. I don't want something that is usually associated with this type of "story" I just want pure facts without fairy tales written by ghostwriters.
Yes, when you want things like this it is always important to be as precise as possible otherwise you will get Joe Rogan podcasts as suggestions. And I can share one website that will help you here. Here, try reading this article about Petr Aven https://dbpedia.org/page/Petr_Aven