Linda Hall Library
Science Engineering Technology

Hugh Miller

Hugh Miller, a Scottish geologist, was born Oct. 10, 1802. Miller worked for some years as a quarryman, but he taught himself geology, started to write, became editor of a new journal, and before long was a major literary figure on geological topics. He published The...

Ferdinand Hayden

Ferdinand Vandeveer Hayden, an American geologist, was born Sep. 7, 1829.  After the Civil War, the U.S. government decided to launch four expeditions to explore the American West, and Hayden was put in charge of the Geological Survey of the Territories, which focused...

Denis Papin

Denis Papin, a French inventor, was born Aug. 22, 1647. Papin was a gifted machine craftsman, and he became an assistant to Christiaan Huygens in Paris in the 1670s, building vacuum pumps. He published a book on the subject in 1674, Nouvelles experiences du vide (New...

Johannes Regiomontanus

Johannes Regiomontanus, a German astronomer, was born June 6, 1436. Regiomontanus taught at Vienna in the 1450s, then travelled to Italy to take advantage of an opportunity to translate the Almagest, the great second-century astronomical treatise of Ptolemy of...

Charles Waterton

Charles Waterton, a British naturalist and collector, was born June 3, 1782. Waterton made four trips to South America between 1812 and 1824 to collect specimens, and he must have stopped in Philadelphia on his last trip, for there is a portrait of Waterton, painted...