(New York, 1927 – Colonia 1995)
Member of the Fluxus group, he participated in all Festivals belonging to this movement and he was a pioneer in performances and Happenings.
Abituè in Andy Worhol’s Factory, he had contact with the whole group of Pop Art artists in the ‘60s.
At the beginning of the ‘80s Hansen moved to Cologne where he opened a school named Ultimate Akademie.
