Robert Zimmer is a German philosopher and essayist who writes biographies and popular introductions to philosophy and to the history of philosophy.
Robert Zimmer was educated at the German universities of Saarbrücken and Düsseldorf and wrote his doctoral dissertation on Edmund Burke. Since 1986 he has been living in Berlin as a freelance publicist. His most popular book so far has been “Das Philosophenportal”, a collection of 16 essays on 16 different classical works of philosophy, which has been translated into more than a dozen languages (not yet in English). In 2010 he published a biography of Arthur Schopenhauer.

Zimmer is a follower of Critical rationalism. Together with Martin Morgenstern he wrote a short and popular biography of Karl Popper and edited the correspondence between Karl Popper and Hans Albert.