Hornung is currently teaching in the Department of Art and Art History at Adelphi University in Garden City, New York.
David Hornung is a professional artist. He began his career on comic books working for both DC Comics and Marvel Comics. His fisrt work with Marvel was on the tilte Marvel Fanfare. He worked in comic books from late 80's to the late 90's; almost a decade. He is retired from comic books and is working as an independent artist.