Friedrich Lippmann
Friedrich Lippmann was a German art historian and director of the Kupferstichkabinett, Berlin State Museums, noted for his work on Dürer, Holbein and Italian 15th-century woodcuts. Max Jakob Friedländer, who was later to become the noted scholar Early Netherlandish painting and the Northern Renaissance, worked under Lippmann in 1891 as a volunteer assisting with Lippmann's graphics collection.