Send us Fan Mail 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 whose work for the U.S. Navy changed human navigation forever. From her beginnings on a rural Virginia farm to working with room-sized computers, Dr. West spent decades crunching complex satellite da...