Источник счастья

Petr Borisovich Colt is a billionaire. There is no deal he can't make. He can buy whatever he wants. He is used to winning and does not tolerate defeat. He wants to regain youth and live forever. Petr Borisovich does not believe in the myths about the philosopher's stone and stem cells. He is interested in a mysterious discovery made in Moscow in 1916 by a military surgeon, Professor Sveshnikov. No one knows what the essence of the discovery is. All of the professor's notes disappeared during the Revolution and the Civil War. He also disappeared. It is unknown where and when he died. And did he die at all?