Ingo F. Walther (1940-2007) was born in Berlin and studied medieval studies, literature, and art history in Frankfurt am Main and Munich. He has published numerous books on the art of the Middle Ages and of the 19th and 20th centuries. Walther's many titles for TASCHEN include Picasso, Art of the 20th Century, and Codices Illustres. Gilles Neret (1933-2005) was an art historian, journalist, writer, and museum correspondent. He organized several art retrospectives in Japan and founded the SEIBU museum and the Wildenstein Gallery in Tokyo. He directed art reviews such as L'Oeil and Connaissance des Arts and received the Elie Faure Prize in 1981 for his publications. Neret's many titles for TASCHEN include Salvador Dali - The Paintings, Matisse, and Erotica Universalis.