by W. Gardner (Author)
The German attack on merchant shipping in the Second World War, known as the Battle of the Atlantic, was countered partly by code-breaking intelligence known as Ultra. The dramatic revelation of this factor in the middle 1970s resulted in many works giving this as the most important cause of Allied success.
Author Biography
W.J.R. GARDNER is now a civil servant having previously served in the Royal Navy for nearly 30 years, where he was a specialist in anti-submarine warfare. In the last decade he has made contributions to many historical conferences on 20th century naval historical topics internationally. He has also contributed to several books and has had many articles published. His previous works include Antisubmarine Warfare and he is now working on a biography of Admiral Sir Bertram Ramsay.