GRAVER, Dennis K.
USA
Last updated: May 6, 2017 at 18:21 pm
Author; underwater photographer; instructor; former Training Director for NAUI and PADI; designed the PADI Modular Scuba Course and original dive tables; developed the Pocket Mask aquatic rescue breathing technique; designed the NAUI Dive Time Calculator; author of Scuba Diving.
Honours and Awards:
NOGI Award (Sports & Education, 1990)
Website(s):
Scuba Diving (5th Edition)
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