 It is noted for its clear standardized diagrams, very thorough but highly readable pedagogy, outlook into modern physics, and challenging, thought provoking problems.In 2002 the American Physical Society named the work the most outstanding introductory physics text of the 20th century.He received the Oersted Medal (1974), the highest award given by the American Association of Physics Teachers, and was president of that society from 1986 to 1990.