He eventually confided to his mother, "I want to be a painter", although she could not yet understand his sudden interest in art or why he would choose a vocation that "seemed so impractical", writes Goodman. The young Chagall explained, "There's a place in town; if I'm admitted and if I complete the course, I'll come out a regular artist. I'd be so happy!" It was 1906, and he had noticed the studio of Yehuda (Yuri) Pen, a realist artist who also operated a small drawing school in Vitebsk, which included the future artists El Lissitzky and Ossip Zadkine. Due to Chagall's youth and lack of income, Pen offered to teach him free of charge. However, after a few months at the school, Chagall realized that academic portrait painting did not suit his desires.