Nikolai Berdyaev is a religious philosopher of the twentieth century, who was called the philosopher of freedom. The main theme of his works is freedom of cr...

S. P. Korolev is one of the outstanding scientists of the twentieth century, who is rightfully considered the father of Soviet cosmonautics. The first artifi...

Leonardo da Vinci is a great Italian artist, scientist, engineer, musician and architect, founder of the art of the High Renaissance. He was called a sorcere...