Steve Ayan is a German psychologist, scientific journalist and author. He studied psychology, literary translation and science journalism in Berlin, Düsseldorf, Reading and Naples. He is editor-in-chief at the magazine Gehirn&Geist. His research specialises in consciousness research, moral psychology and psychotherapy. Ayan lives in Heidelberg, Germany. Marshall Yarbrough has translated books by Michael Kempe, Ulla Lenze, and Wolf Wondratschek, among other authors. He lives in New York City.