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Dennis Graver

Dennis Graver has been a scuba instructor and instructor trainer since 1968. He has written 27 books and manuals on the subject, including four previous editions of Scuba Diving published by Human Kinetics. As director of training for the Professional Association of Diving Instructors (PADI), he designed the PADI modular scuba course and wrote the PADI Dive Manual, which revolutionized scuba instruction. During his tenure as director of education for...See more