Critic Gary Michael Dault describes Ferguson's teaching at NSCAD as a "37-year trajectory...wherein he stubbornly, persuasively tilled the fields of the kind of conceptual art for which the college became primarily known."
Gary Michael Dault, a critic, portrays Ferguson's instruction at NSCAD as a "37-year journey...during which he tenaciously and convincingly explored the realm of conceptual art that made the college famous."