Herbert Graf (10 April 1904, Vienna – 5 April 1973 Geneva) was an Austrian-American opera producer. Born in Vienna in 1904, he was the son of Max Graf (1873–1958), the Austrian author, critic, musicologist and member of Sigmund Freud's circle of friends. Herbert Graf was the Little Hans discussed in Freud's 1909 study Analysis of a Phobia in a Five-year-old Boy.
Read more about Herbert Graf: 'Little Hans', Career in Opera, Publications, Videography