Hans Christian Andersen | Hans Holbein the Younger | Hans Zimmer | Hans Werner Henze | Hans Memling | Hans Pfitzner | Hans Küng | Hans Conried | Hans Knappertsbusch | Hans Magnus Enzensberger | Hans-Dietrich Genscher | Hans Blix | Hans Zender | Hans Scholl | Hans Hofmann | Hans Christian Ørsted | Hans Raj Hans | Hans Habe | Hans Baldung | Baron Hans Heinrich Thyssen-Bornemisza | Hans von Ohain | Hans van Manen | Hans Urs von Balthasar | Hans Sloane | Hans Rosbaud | Hans-Georg Backhaus | Hans-Adam II, Prince of Liechtenstein | Yuvraj Hans | Hans von Halban | Hans von Bülow |
His writings include studies on Wilhelm Lehmbruck, Eugène Delacroix, Nicolas Poussin, Jan Vermeer, John Constable, Paul Cézanne, Raphael, Vincent van Gogh, Paolo Veronese, Ernst Barlach and attacks on the methodology of the "second Vienna school" of art history dominated by Hans Sedlmayr.
He spent a year at Pavia University (1955–56), then taught at an international school in St. Gallen in Switzerland (1956–57), and finally went to Munich to hear the art historian Hans Sedlmayr and where he worked with Ludwig Heinrich Heydenreich on the court of Urbino at the Zentralinstitut für Kunstgeschichte.