Joseph Beuys (/bɔɪs/ BOYSS, German: [ˈjoːzɛf ˈbɔʏs]; 12 May 1921 – 23 January 1986) was a German artist, teacher, and theorist of art who was highly influential in international contemporary art in the latter half of the 20th century. He is a founder of the art movement known as Fluxus, and a practitioner and exemplar of happenings, and performance art. He adopted media and techniques including paint, sculpture, graphic art, and installation.