Leon Stanley Kawecki was born on July 2nd, 1921, in Chojnice. There he went to and graduated from the General School followed by gymnasium. He also attended the private art school of Elsa von Kittsteiner, where he studied the basics of painting and drawing. At such a young age, he received a bronze medal for a watercolor he sent to an art competition. The works were judged by a panel of judges in which Wojciech Kossak happened to be one of its members.