Agricola, Georgius (jôr'jēuugrik'ulu) [key], Latinized from Georg Bauer (gā'ôrk bou'ur) [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals scientifically. His celebrated work De re metallica (1556) was a standard in metallurgy and mining for over a century and was translated into English (1912) by Herbert C. Hoover and Lou H. Hoover.
