Mathematician Gladys West Honored for Foundational Contributions to GPS Technology

TEHRAN, Nov 2 (OPA) — Born in 1930 in Sutherland, Virginia, Gladys West overcame systemic barriers to pursue a career in mathematics. After earning a scholarship to Virginia State College, she joined the U.S. Naval Proving Ground in Dahlgren in 1956. As one of the few Black women in the computing division, she initially focused on programming algorithms for military equipment before transitioning to satellite geodesy during the Cold War.

West’s primary contribution involved calculating the 'geoid,' a complex mathematical model of the Earth’s shape based on sea level and gravitational variations. By refining these models and satellite orbital paths, she enabled the high-precision positioning required for GPS. Her work ensured that satellite signals could account for the Earth's irregular gravitational field, a necessity for accurate location tracking in modern navigation systems.

Despite her technical achievements, West faced professional obstacles, including being passed over for promotions in favor of white male colleagues. She retired in 1998 after 42 years of service, later completing a Ph.D. in public administration in 2000. For much of her career, her specific role in the development of GPS remained largely unrecognized by the public and the broader scientific community.

Recognition for West’s work grew significantly in the 2010s. In 2018, she was inducted into the Air Force Space and Missile Pioneers Hall of Fame, cementing her legacy as a key figure in aerospace history. Today, her research remains the bedrock for global transportation, aviation, and the location-based services integrated into billions of mobile devices worldwide.