1926. The Szkocka café in Lviv. Among the café guests is a group of mathematicians – Banach, Mazur, Ulam, Stożek, Szuder. A heated discussion is underway. These young mathematicians are employees of the Jan Kazimierz University. The world will soon hear about them. The most brilliant of them was Stefan Banach (1892-1945). Who was this brilliant self-taught man? How did he end up in Lviv? Although he was one of... see more