Realising he had to move, Cardan applied for a professorship of medicine at Bologna and was appointed to the post. Cardan's time in Bologna was full of controversy.
Realising niya upang ilipat, kardan-apply para sa isang gamot ng mga pagkapropesor sa Bologna at noon ay hihirangin upang angkinin ang post. Kardan ng oras sa Bologna ay puno ng pagtatalo.