Dr. Gladys West, the pioneering mathematician who helped shape the modern Global Positioning System (GPS), passed away on January 17, 2026, at the age of 95. While her name was largely unknown to the public for many years, her contributions to the field of technology are immeasurable. Thanks to her groundbreaking work in satellite geodesy, we now have access to GPS technology, which has revolutionized navigation in vehicles, smartphones, and even military operations.
Dr. West’s journey to becoming a world-changing mathematician is a remarkable story of perseverance and brilliance in the face of societal challenges, especially for a Black woman in the mid-20th century.
Born on October 27, 1930, in Sutherland, Virginia, Dr. West faced the barriers of racism and gender inequality throughout her early life. Despite these challenges, she excelled academically and went on to earn a degree in Mathematics from Virginia State University. After graduation, she began working for the U.S. Air Force, initially as a programmer and later as a mathematician at the Naval Surface Warfare Center in Dahlgren, Virginia.
Her work primarily focused on the analysis of satellite data, including calculations that allowed scientists to accurately model the shape of the Earth. While she worked in a male-dominated field and faced racial prejudice, her perseverance and dedication helped her stand out. Over the years, Dr. West became a key player in the development of the GPS system, which was initially created for military navigation but eventually became an essential tool in civilian life worldwide.
Dr. West's role in the creation of GPS cannot be overstated. Her calculations, which helped define the shape of the Earth with extraordinary precision, made GPS possible. She worked on the mathematical models that enabled satellites to calculate exact locations anywhere on Earth, laying the groundwork for the satellite-based navigation system we rely on today. This work began in the early 1970s, yet Dr. West’s contributions were not widely recognized at the time.
Her precise calculations were pivotal in improving the accuracy of GPS, and without her work, modern navigation systems - used in everything from smartphones to military operations - would not have been possible.
Although Dr. West's contributions to the field were not acknowledged until much later in her life, she eventually began to receive well-deserved recognition. In 2018, she was inducted into the Air Force Space and Missile Pioneers Hall of Fame, and in 2021, she received the Webby Lifetime Achievement Award for her contributions to technology. These honors brought attention to her groundbreaking work, and today, she is celebrated as one of the unsung heroes in the field of technology.
Dr. West's legacy continues to inspire young Black women and people of color pursuing careers in STEM (Science, Technology, Engineering, and Mathematics). Her story is a testament to the power of determination, hard work, and the pursuit of knowledge despite overwhelming odds.
Dr. Gladys West's contributions are a reminder of how Black women have played an instrumental role in shaping the world as we know it, yet often go unrecognized. Her story speaks to the larger issue of underrepresentation and the need to amplify the voices of those whose work has been marginalized. Through her life, she exemplified the persistence, intellect, and fortitude required to make a lasting impact in technology and beyond.
As we reflect on her achievements, let us honor her legacy by continuing the fight for recognition and equality in STEM fields and beyond. Dr. West’s work reminds us all that innovation is limitless when given the proper tools and support.