wikipedia.org Harold Gatty
Harold Charles Gatty (5 January 1903 – 30 August 1957) was an Australian navigator and aviation pioneer. Charles Lindbergh called Gatty the “Prince of Navigators”. In 1931, Gatty served as navigator, along with pilot Wiley Post, on the flight which set the record for aerial circumnavigation of the world, flying a distance of 15,747 miles (24,903 km) in a Lockheed Vega named the Winnie Mae, in 8 days, 15 hours and 51 minutes.
book at amazon Finding Your Way Without Map or Compass Paperback – by Harold Gatty (Author)