# Gladys West
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Gladys Brown West (née Gladys Mae Brown; October 27, 1930 – January 17, 2026) was an American mathematician. She was known for her contributions to mathematical modeling of the shape of the Earth, and her work on the development of satellite geodesy models, which were later incorporated into the Global Positioning System (GPS).
West was inducted into the United States Air Force Hall of Fame in 2018.
How GPS Actually Works
In 1977, engineers building the first cesium clock for orbit added a hidden switch — a hedge, in case Einstein was wrong. He wasn't. That clock became part of GPS, and the relativity correction it proved is running inside the phone in your pocket right now. Turn it off, and GPS drifts into useles...
Black History: They discuss a pioneering mathematician whose calculations led to the creation of GPS.
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Gladys West: The Mind Behind Your GPS
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Ever wonder how the blue dot on your phone actually knows where you are? Before GPS was a technology, it was a massive mathematical problem — and Dr. Gladys West was the hidden figure who solved it.In this episode, we dive into the life of Dr. Gladys West, a Black mathematician ...
The September Math Reset: Approaches to Engage Learners for the Year Ahead
Whether your classroom is energized like Earth, Wind & Fire’s "September" or feeling the back-to-school fatigue of Green Day’s "Wake Me Up When September Ends," strong connections are key to a successful school year.
In this episode of Math: Universally Speaking, we explore three practical Univer...
That’s One for the History Books ep. 171: Jan E. Matzeliger, inventor of the shoe-lasting machine
You can now listen to “That’s One for the History Books” podcast ep. 171: Jan Ernst Matzeliger, inventor of the shoe-lasting machine.
Each week hosts Marty Cohn and Hugh Ryan bring to light stories of influential Americans whose contributions to ourcountry have been overlooked or under appreciat...
That’s One for the History Books ep. 172: Gladys West, “the mother of GPS”
You can now listen to “That’s One for the History Books” podcast ep. 172: Gladys West, “the mother of GPS”..
Each week hosts Marty Cohn and Hugh Ryan bring to lightstories of influential Americans whose contributions to our country have been overlooked or under appreciated.
Next week, 173: Dorot...
Gladys West and the Shape of the Earth | Wonderland Bedtime Adventures
🌙 Gladys West and the Shape of the Earth
The little voice that tells a car where to turn had to learn the exact shape of the world first. She worked it out.
Snuggle under the covers, relax, and join us on this enchanting bedtime journey celebrating imagination, kindness, and wonder!
🧠 Bedtime Qui...
