Karl Schelenz (or Carl Schelenz, born February 6, 1890 in Berlin; died February 7, 1956) was a German sport teacher. He is famous as the "father" of modern handball.Schelenz worked as a sport teacher in Berlin and in Flensburg. As an author, he wrote books on the modern sport of handball and in 1920 created the modern rules of that game. In 1916 and in 1917, he was the German champion in long jump. He was third in the German championship in high jump. Schelenz was a member of the German sport team Berliner Turner-Verein von 1850 e. V. in Berlin. Wikipedia