Captain Sir John William Alcock was a British Royal Navy and later Royal Air Force officer who, with navigator Lieutenant Arthur Whitten Brown, piloted the first non-stop transatlantic flight from St. John's, Newfoundland to Clifden, Ireland in June 1919. He died in a flying accident in France in December later that same year.

Lieutenant-Colonel Sir Arthur Whitten Brown, was a British military officer and aviator who flew as navigator of the first successful non-stop transatlantic flight with pilot John Alcock in June 1919.