Robert T. Hill

Robert Thomas Hill (August 11, 1858 – July 20, 1941) was a significant figure in the development of American geology during the late 19th and early 20th centuries. As a pioneer Texas geologist, Hill discovered and named the Comanche series of the Lower Cretaceous, and was a lifelong student of the structure and stratigraphy of the Cretaceous deposits of Central Texas and neighboring regions. Provided by Wikipedia