His strict Calvinist father, however, did not tolerate the performance of secular works and he forbade a further, better musical education.
After his father's death in 1913, however, he switched to music and studied first under W. Franke and Hermann Unger in Cologne and after the First World War under Julius Weismann in Freiburg, Joseph Haas in Munich and Hermann Grabner in Leipzig.
[citation needed] After his studies he was offered a position as assistant to the conductor Philipp Wolfrum at the Philharmonic Orchestra in Heidelberg.
In his old age he moved for a short time to a relative in South Africa but did not tolerate the country and its people and returned to Germany.
Among Hausmann's best works is his Cello Sonata op.30 from 1935, which was premiered by the renowned cellist Ludwig Hoelscher and was in his repertoire for many years.