Jacob (Jack) W. Valley

Jacob (Jack) W. Valley was an American geologist and paleontologist known for his pioneering research in stratigraphy and the geology of North America. He contributed significantly to understanding Earth's layered rock formations and the history of life through fossil studies. Valley's work helped establish precise methods for dating geological features, enhancing our knowledge of Earth's ancient past. His research has practical applications in natural resource exploration and environmental science, making complex geologic processes more comprehensible for scientists and the public alike.