Oskar Bätschmann is professor emeritus of early modern art history at University of Bern. He was a member of the Paul Klee Foundation and co-initiator of the Catologue Raisonné of the artist published from 1998 to 2004. He was a Getty Scholar 1990/1991 at the Getty Center for the History of Art and the Humanities in Santa Monica, CA, and 2012/2013 Samuel H. Kress Professor at the Center for Advanced Study in the Visual Arts, National Gallery of Art, Washington, D.C.