Private scholar; art historian of the baroque and modern periods; methodological theorist. Badt was born to a prosperous Banking family in Berlin. His father, Leopold Badt (1858-1929) raised his children in a rarefied cultural atmosphere, giving them every opportunity to experience art. The younger Badt attended the Berlin-Charlottenburg Reformgymnasium, graduating in 1906. Between 1909-1914 he studied art history and philosophy at the universities of Berlin, Munich and finally at Freiburg (im Breisgau) under Wilhelm Vöge.

Medievalist, methodology influenced by Heinrich Wölfflin and Wilhelm Pinder.

Medievalist of a social-history methodology. Warnke's parents were Kurt Anton Friedrich Warnke and Hilka Schomerus Warnke. Warnke studied history, art history and Germanistik at the universities in Munich, Madrid, and at the Freie Universität in Berlin. He received his Ph.D. from Berlin in 1963 with a dissertation on Rubens, written under Hans Kauffmann. He volunteered for a year at the Berlin Museum consortium, Stiftung Staatliche Museen Preussischer Kulturbesitz, 1964-1965, producing a small catalog on the Flemish works (1967). He married Freya Grolle.

Widely influential professor of art history, major exponent of formalist methodology. Wölfflin was the son of a Swiss classics scholar Eduard von Wölfflin (1831-1908) and Bertha Troll-Greuter (Wölfflin) (1839-1911). He initially studied philosophy at the university in Basel under Johannes Volkelt (1848-1930), but the lectures of cultural historian Jacob Burckhardt developed in him an enthusiasm for art history.