Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. WAllace E. PRatt (1885-1981) was a pioneer U.S. Petroleum geologist. BOrn in Phillipsburg, Kansas, March 15, 1885, Pratt began his career in geology as an assistant with the Kansas Geological Survey shortly after he graduated from the University of Kansas in 1907 with a bachelor''s degree. FRom 1909 to 1916, he worked in Philippines, becoming chief of the Division of Mines there in 1912. HE returned to the U.S. In 1916, and in 1918 joined Humble Oil & Refining Co. As the company''s first geologist. PRior to that time the company had treated the search for oil as largely a hit or miss operation without scientific exploration. BUt Pratt, joined by 10 more geologists during 1918-19, proved that geology was an important factor in finding oil.