Julius Kalas was born on August 18, 1902 in Prague, Bohemia, Austria-Hungary. He was a composer and writer, known for
Devce za výkladem (1937),
Pytlákova schovanka aneb Slechetný milionár (1949) and
U nás v Kocourkove (1934). He died on May 12, 1967 in Prague, Czechoslovakia.