Offers an account of Ader's life and work, accompanied by representative images.

Offers a brief profile of the conceptual artist and an example of his work "Too Sad to Tell You."

Introduces an exhibition on the complete works of the Dutch conceptual artist. View photos of some of his actions.

Discusses a retrospective of the conceptual artist's work. Includes images of his performance actions.

Offers a reference page on the life and work of the enigmatic Dutch performance artist who disappeared in 1975.