 Eyen didn't find success with acting, and worked briefly as a press agent before he began writing for theatre.He found an artistic home in the 1960s off-off-Broadway Experimental theatre scene, based at Caffe Cino and La MaMa Experimental Theatre Company.He gave Bette Midler her first professional acting roles in "Miss Nefertiti Regrets" and "Cinderella Revisited."