Leon Kruczkowski was born on June 28, 1900 in Krakau, Galicia, Austria-Hungary [now Kraków, Malopolskie, Poland]. He was a writer, known for
Knights of the Teutonic Order (1960),
Young Chopin (1952) and
Die Sonnenbrucks (1951). He died on August 1, 1962 in Warsaw, Mazowieckie, Poland.