Susan Neiman is an American moral philosopher, cultural commentator, and essayist. She has written extensively on the juncture between Enlightenment moral philosophy, metaphysics, and politics, both for scholarly audiences and the general public. She currently lives in Germany, where she is the Director of the Einstein Forum in Potsdam.

John Bordley Rawls was a moral, legal and political philosopher in the modern liberal tradition. Rawls has been described as one of the most influential political philosophers of the 20th century.