Also called Haber ammonia process, or synthetic ammonia process, method of directly synthesizing ammonia from hydrogen and nitrogen, developed by the German physical chemist Fritz Haber. He received the Nobel Prize for Chemistry in 1918 for this method, which made the manufacture of ammonia economically feasible. The method was translated into a large-scale process using a catalyst and high-pressure methods by Carl Bosch, an industrial
Grumbach's enthusiasm for American culture prompted him to change his name to that of his favourite writer, Herman Melville. He served in the Free French forces during World War II, founded his own
Quarter and district of the Lima-Callao metropolitan area of Peru, south of downtown Lima. It is mainly residential, with slums in the north, pueblos jóvenes (“young towns”), or squatter settlements, in the east, and middle-income housing in the south. The district is the site of Peru's largest wholesale and retail market area, near which are many light industries. La Victoria
Bradford had little formal education; instead, he found the substance for his career in the people around him. When he began work as a reporter in 1920, he met the colourful characters of various Southern
Normally, humans have 46 chromosomes arranged in 23 pairs; the pairs vary in size and shape and are numbered by convention. Twenty-two of the pairs are autosomes, and one pair, number 23, is the sex chromosomes. Any variation from
Island, westernmost of the Greek Dodecanese Islands, Aegean Sea, between Amorgós and Cos (Kos). With an area of 37 square miles (97 square km), it comprises two mountain masses linked by a narrow isthmus that provided shelter for the ancient Roman fleet. The western hills rise to about 1,500 feet (450 m) and the eastern hills to about 1,200 feet (365 m). The coast is much indented, with high cliffs rising
U.S. lawyer whose advocacy of law codification had international influence. The “Field Code” of civil procedure, enacted by New York state in 1848, was subsequently adopted in whole or in part in many other U.S. states, in the federal court system, and in England, Ireland (both 1873), and several British overseas possessions, notably India. He was
The English theologian John Colet (c. 1466–1519) broke with medieval scholasticism when he returned from the Continent to Oxford in 1496 and lectured on the Pauline letters, expounding the text in terms of its plain meaning as seen in its historical context. The humanist Erasmus (c. 1466–1536) owed to him much of his insight into biblical exegesis. By the successive printed editions of his Greek
Ryan was taught to play baseball by an elder brother and was a wild but fast pitcher in high school before he was signed by the National League New York Mets in 1965. He pitched for their minor league
Type of steam locomotive characterized by tremendous hauling capacity and light axle loads. This British-built locomotive had two articulated pivoting chassis, each with its own wheels, cylinders, and water tanks. These chassis supported a girder frame that carried a boiler, cab, and the fuel supply. The Beyer-Garratt was particularly well-suited for rail lines
