Roger L. Easton

Roger Lee Easton, Sr. was an American physicist and state representative who was the principal inventor and designer of the Global Positioning System, along with Ivan A. Getting and Bradford Parkinson.

30 April 1921

Born on the same birth day (30 April): Casimir III the Great • Chae Seo-jin • Dadasaheb Phalke • David Kitchin, Lord Kitchin • Gerda Lerner • Jaroslav Hašek • Juliana of the Netherlands • Kunal Nayyar • Levi Celerio • Mac DeMarco • Sallehuddin of Kedah • Tony Fernandes • Tony Harrison • Turbo B • Warren Defever • Ülo Õun

Born in the same month (April 1921): Angelo DiGeorge • Arthur "Guitar Boogie" Smith • Elizabeth Wilson • Feza Gürsey • Jack Rayner • Jan Novák (composer) • Jan Sterling • Jean Richard (actor) • Jean-Marie Balestre • Jim Hearn • Jimmy Giuffre • Judy Agnew • Karel Appel • Robert Cliche • Rowland Evans • Simin Daneshvar • Thomas Schelling • Wilbur Thompson • William Bergsma • Wolfgang Leonhard