FILE - In this April 21, 1969, file photo, Robin Knox-Johnston waves from the bow of his 32-foot yacht Suhaili as he passes Bishop Rock Lighthouse off the coast of the Isles of Scilly, England. Monday, April 22, 2019, commemorates the 50th anniversary of the finish, when Knox-Johnston achieved the nautical equivalent of climbing Mount Everest when he became the first man to sail alone around the world nonstop. (AP Photo/File)