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): Ashley Alexandra Dupré • Bobby Vee • Charles Exeter Devereux Crombie • David Thompson (explorer) • Dorival Caymmi • Emmanuele Vitale • Erni Krusten • Jack Middelburg • Jane Campion • Jeroen Brouwers • John O'Shea • Robert Shaw (conductor) • Turbo B

Born in the same month (April 1921): Anna Lee Aldred • Arthur "Guitar Boogie" Smith • Cleto Bellucci • Jack Rayner • Jake Warren • Jan Novák (composer) • Janet Blair • Jim Hearn • Mary Jackson (engineer) • Robert Cliche • Sheb Wooley • William Bergsma