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Graphic Plots

Graphic Plots

On July 30, 1920, Marie Tharp was born in Ypsilanti, Michigan. A pioneering oceanographic cartographer, she mapped the ocean floor and co-discovered the Mid-Oceanic Ridges, along with her colleague Bruce Heezen, Columbia University’s team leader of ocean ridge mapping. As they worked down the…

Rock Star

Rock Star

On July 14, 1862, geologist Florence Bascom was born. As a youngster, she accompanied her father and his university associates on field trips and was hooked on Geology after an early trip to Mammoth Cave. Advancing through school and into university, Bascom became interested…