Portrait of Roger L. Easton

Birthday profile

Roger L. Easton

Roger L. Easton, American scientist, co-invented the GPS (died 2014)

Born
April 30, 1921
Died
May 8, 2014
Zodiac sign
Taurus
Birth year
1921

About 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. In 1957, Easton invented the Minitrack tracking system to determine the Vanguard satellite's orbit. The Naval Space Surveillance System became the first system to detect and track all types of Earth-orbiting objects. The National Medal of Technology is the highest honor awarded for technology.

Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.

The world when Roger L. Easton was born

Roger L. Easton was born in 1921. The year snapshot below places that birthday in its cultural and historical setting: the music and films people were following, the headlines shaping public life, and the everyday prices families encountered.

Culture in 1921

  • #1 song"My Man" – Fanny Brice
  • Top movieThe Kid (Charlie Chaplin)
  • Best-selling bookMain Street – Sinclair Lewis

Headlines and milestones

  • Major sports momentJack Dempsey vs Georges Carpentier — first million-dollar gate
  • Top headlineWarren G. Harding inaugurated as 29th President
  • Technology milestoneAlbert Einstein wins the Nobel Prize in Physics
  • Defining fadOuija boards
  • Notable inventionLie detector (polygraph)
  • World population1.88 billion

United States snapshot

  • U.S. leaderWarren G. Harding
  • Sports championNew York Giants (World Series)
  • U.S. population108.5M

1921 versus 2026

These figures put everyday life in Roger L. Easton's birth year beside the site's latest United States snapshot.

Measure19212026
Gas$0.26$3.45/gal
Average home$5,500$435,000
Average income$3,010$67,500
Movie ticket$0.15$11.95
Postage stamp$0.02$0.73
Population108.5M341 million

Sources and editorial standards

This profile combines a biographical source with structured birthday and historical context. Sources recorded for this profile: Wikipedia, Library of Congress, Wikidata. See our editorial policy for sourcing, corrections, and review standards.

Read the source biography on Wikipedia. Wikipedia text is available under the Creative Commons Attribution-ShareAlike License.