Users

Harry Hayward is a PADI Instructor, TDI Instructor and TDI/SDI Instructor Trainer. He has assisted as a deep support diver / adviser on world record projects such as the women's deepest wreck dive and countless other deep mix projects in the Red Sea, and has a vast amount of experience...

Mark Harris SCUBA dives, takes photographs underwater, writes and freedives. He has been 4 times UK freediving champion and teaches / coaches freediving when not writing about it. His first book is in production, and should be available in 2014.

Charlie Hudson is the author of Deadly Doubloons, Islands in the Sand: An Introduction to Artificial Reefs in the US, and other dive-themed novels and non-fiction. She and her husband, Hugh, are both retired Army and live in South Florida where they pursue their “fun” second careers. You can see...