People
Correspondents
- Nietzsche, Friedrich, a German philosopher, Carl von Gersdorff's correspondent and friend.
Friends
- Nietzsche, Friedrich, a German philosopher, Carl von Gersdorff's correspondent and friend.
Others
- Lange, Friedrich Albert, a German philosopher.
- Rohde, Erwin, a German citizen.
- Schopenhauer, Arthur, a German philosopher.
- Wagner, Richard, a German composer, writer, conductor, music critic, theatre director and author.