The Nolde Stiftung Seebüll, also known as Stiftung Seebüll Ada und Emil Nolde, in English, the Nolde Foundation Seebüll, or the Seebüll Ada and Emil Nolde Foundation, is a foundation established in 1956, who is the sponsor of an art museum in Seebüll, in Schleswig-Holstein, dedicated to the life and works of the German painter Emil Nolde. Wikipedia