Robert G WilliscroftDr. Robert G. Williscroft is a retired submarine officer, deep-sea and saturation diver, scientist, author, and a lifelong adventurer. He spent twenty-two months underwater, a year in the equatorial Pacific, three years in the Arctic ice pack, and a ear at the Geographic South Pole. He holds degrees in Marine Physics and Meteorology and a doctorate for developing a system to protect scuba divers in contaminated water. A prolific author of non-fiction, submarine technothrillers, and hard science fiction, he lives in Centennial, Colorado. Read More Read Less