Background
Son of Joseph Friedrich Hummel, he held various positions in the Salzburg education system, in particular as director of the Salzburg Technical College.
Son of Joseph Friedrich Hummel, he held various positions in the Salzburg education system, in particular as director of the Salzburg Technical College.
Known as a scholar on the life of Wolfgang Amadeus Mozart, he was a guide in the Salzburg Mozart Society and also its vice-president He published in 1951 chronicles about the activities of the society, wrote the biographical books Nannerl: Wolfgang Amadeus Mozarts Schwester (1952) and Wolfgang Amadeus Mozarts Söhne (1956), and also published the diaries of Maria Anna Mozart, Nannerl Mozarts Tagebuchblätter (1958).