Georg Ledebour was a German socialist politician and journalist.

Lou Andreas-Salomé was a Russian-born psychoanalyst and a well-traveled author, narrator, and essayist from a French Huguenot-German family. Her diverse intellectual interests led to friendships with a broad array of distinguished thinkers, including Friedrich Nietzsche, Sigmund Freud, Paul Rée, and Rainer Maria Rilke.