Career
Knab"s father wished for him to practice law, and Knab joined the bar in 1907. However, at the same time, he learned music theory under Max Meyer-Olbersleben. He worked as a lawyer from 1911 to 1927, when he became a provincial judge in Würzburg.
He was made a professor there following year, and received the Max Reger Prize in 1940.
In 1943, he left the Akademie to live the remaining years of his life in South Germany. Knab"s most famous works was created for educational purposes.
He had originally become famous in the 1920s for his work with the German youth music movement.