‹‹ Prev 50  |  51-100 for Science and Its Times  |  Next 50 ››

All   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z

W

Wilhelm Conrad Röntgen   For the first two decades of his scientific career, Wilhelm Conrad Röntgen (1845-1923) studied a fairly diverse variety of topics, including the specific heats of gases, the Faraday effect in gases, magnetic effects associated with di... Study Pack: 5 Biographies, 2 Summaries About 27 pages (8,012 words) in 7 products

Wilhelm Eduard Weber Wilhelm Eduard Weber was a German physicist interested in magnetism and electricity and noted for contributions that proved crucial to the development of the electromagnetic theory of light. Weber was born in Wittenberg, Germany. His fathe... Study Pack: 1 Biography, 1 Summary About 3 pages (1,031 words) in 2 products

Wilhelm Fabricius Hildanus 1560-1634 German Surgeon Fabricius Hildanus was the "Father of German Surgery." He was the first to use magnets to extract iron slivers from the eye, the first to operate successfully for gallstones, and among the first to us... Study Pack: 1 Summary About 3 pages (966 words) in 1 product

Wilhelm Friedrich Benedikt Hofmeister 1824-1877 Self-taught German botanist who published two groundbreaking textbooks in his field. His research distinguished flowering from nonflowering plants and demonstrated how plant generations alternate between sexual and nonsexual gene... Study Pack: 1 Summary About 1 pages (205 words) in 1 product

Wilhelm (Friedrich Philipp) Pfeffer 1845-1920 German botanist who studied osmotic pressure. While working on cell metabolism, Pfeffer developed a semipermeable membrane with which he studied osmosis. In addition to creating a method for measuring osmotic pressure, he proved ... Study Pack: 1 Summary About 0 pages (66 words) in 1 product

Wilhelm His 1831-1904 Swiss anatomist who studied the cornea, lymph vessels and glands, the thymus, the central nervous system, and the heart. His recognized the differences between true body cavities and linings, such as the endothelia of blood vesse... Study Pack: 1 Summary About 1 pages (191 words) in 1 product

Wilhelm Homberg 1652-1715 French chemist who introduced the new experimental chemistry to the Académie des Sciences. In Essais de chimie (1702-10) he concluded that salt, sulfur, and mercury were not present in all substances—an important move... Study Pack: 1 Summary About 1 pages (385 words) in 1 product

Wilhelm Ludvig Johannsen Wilhelm Johannsen, whose family did not have the financial means to provide him a college education, served as an apprentice to a pharmacist in 1872 and taught himself chemistry and botany. Johannsen's interest in botany flourished when he... Study Pack: 3 Biographies, 1 Summary About 8 pages (2,517 words) in 4 products

Wilhelm Junker 1840-1892 Russian explorer whose journeys of exploration included travels to Iceland, Tunis, Egypt, and the Sudan. Junker conducted most of his explorations in north and central Africa, where he explored the lower Sobat River and portions ... Study Pack: 2 Summaries About 5 pages (1,459 words) in 2 products

Friedrich Wilhelm Ostwald Of German descent, Ostwald was born and raised in Riga in the Russian republic of Latvia. He studied chemistry and physics in Estonia, another Russian state, and earned his Ph.D. from the University of Dorpat in 1878. Interested in researc... Study Pack: 2 Biographies, 2 Summaries About 18 pages (5,438 words) in 4 products

Wilhelm Roux Wilhelm Roux, the father of experimental embryology, was born in Jena, Germany. His teachers were some of the finest scientists of the time, namely Ernst Haeckel at Jana, Rudolf Virchow at Berlin, and Freidrich von Recklinghausen (1833-191... Study Pack: 2 Biographies, 1 Summary About 8 pages (2,282 words) in 3 products

Wilhelm Schickard Born in Herrenberg, Germany, Schickard was a brilliant student. By the age seventeen, he had already received his B.A. in theology and Oriental languages from the University of Tübingen. Continuing his studies, Schickard received his ... Study Pack: 1 Biography, 3 Summaries About 5 pages (1,361 words) in 4 products

Wilhelm Schickard Born in Herrenberg, Germany, Schickard was a brilliant student. By the age seventeen, he had already received his B.A. in theology and Oriental languages from the University of Tübingen. Continuing his studies, Schickard received his ... Study Pack: 1 Biography, 3 Summaries About 5 pages (1,361 words) in 4 products

Wilhelm Von Hirsau d. 1091 German cleric and scholar who in about 1090 wrote a treatise on astronomy and built what would become a famous model of the planetary system. Abbot of Hirsau from 1069, Wilhelm supported the vigorous reforms of Pope Gregory VII and... Study Pack: 1 Summary About 0 pages (65 words) in 1 product

Wilhelm Wundt   The German psychologist and philosopher Wilhelm Max Wundt (1832-1920) was the founder of experimental psychology. He edited the first journal of experimental psychology and established the first laboratory of experimental psychology. Wilhe... Study Pack: 2 Biographies, 4 Summaries About 77 pages (23,143 words) in 6 products

Will Steger   1945 American explorer who has completed a number of risky—and record-setting—solo trips through the Arctic and Antarctic. Steger has explored and traveled his entire life, beginning with a raft trip down the Mississippi Rive... Study Pack: 2 Summaries About 8 pages (2,293 words) in 2 products

Willard Frank Libby   The American chemist Willard Frank Libby (1908-1980) pioneered in radiocarbon dating, for which he received the Nobel Prize. Willard Libby, a farmer's son, was born on December 17, 1908, at Grand Valley, Colorado. After schooling near Seba... Study Pack: 4 Biographies, 3 Summaries About 27 pages (7,968 words) in 7 products

Willard Frank Libby   The American chemist Willard Frank Libby (1908-1980) pioneered in radiocarbon dating, for which he received the Nobel Prize. Willard Libby, a farmer's son, was born on December 17, 1908, at Grand Valley, Colorado. After schooling near Seba... Study Pack: 4 Biographies, 3 Summaries About 27 pages (7,968 words) in 7 products

Willebrord Snell Snel is most famous for his research on the refraction of light, which yielded Snel's law. He also devoted a considerable amount of time to the calculation of geographic distances through trigonometric triangulation, and he is often credit... Study Pack: 3 Biographies, 2 Summaries About 10 pages (2,867 words) in 5 products

Willebrord Snell Snel is most famous for his research on the refraction of light, which yielded Snel's law. He also devoted a considerable amount of time to the calculation of geographic distances through trigonometric triangulation, and he is often credit... Study Pack: 3 Biographies, 2 Summaries About 10 pages (2,867 words) in 5 products

Willem Barents Searches for the Northeast Passage and Finds Svalbard Instead   The Dutch navigator Willem Barents (died 1597) was his country's renowned Arctic explorer, having discovered Spitsbergen and the Barents Sea. Willem Barents was born on the island of Terschelling off the Friesland coast of the Netherlands.... Study Pack: 1 Biography, 3 Summaries About 15 pages (4,590 words) in 4 products

Willem Barents   The Dutch navigator Willem Barents (died 1597) was his country's renowned Arctic explorer, having discovered Spitsbergen and the Barents Sea. Willem Barents was born on the island of Terschelling off the Friesland coast of the Netherlands.... Study Pack: 1 Biography, 3 Summaries About 15 pages (4,590 words) in 4 products

Willem Einthoven Willem Einthoven was born in Java, Dutch East Indies (now Indonesia). When he was six years old, his father, Jacob, (a physician) died and, in 1870, the widowed Louise de Vogel Einthoven returned with her six children to Utrecht, The Nethe... Study Pack: 3 Biographies, 1 Summary About 11 pages (3,302 words) in 4 products

Willem Jansz Lands on the Australian Mainland and Sets Off a Century of Dutch Exploration of the Region   In 1606 Dutchman Willem Jansz (1570-?) arrived on the Australian mainland, becoming perhaps the first European to do so. His achievement did not lead to Dutch rule of the area, as the Dutch were not interested in colonizing it. Neverthele... Study Pack: 3 Summaries About 13 pages (3,848 words) in 3 products

Willem Jansz   In 1606 Dutchman Willem Jansz (1570-?) arrived on the Australian mainland, becoming perhaps the first European to do so. His achievement did not lead to Dutch rule of the area, as the Dutch were not interested in colonizing it. Neverthele... Study Pack: 3 Summaries About 13 pages (3,848 words) in 3 products

Willem Jakob 'Sgravesande 1688-1742 Dutch physicist best known among his contemporaries as an exponent of Newtonianism, in particular for his Mathematical Elements of Physics (1720, 1721), which was easily the most influential semi-popular account of Newton'... Study Pack: 1 Summary About 1 pages (424 words) in 1 product

Willem Corneliszoon Schouten William Cornelius Schouten (ca. 1580-1625) was a Dutch explorer and navigator. In 1616 he discovered a new route to the Pacific via Cape Horn. The exact birth date of William Schouten is unknown, but the year was probably 1580 and the plac... Study Pack: 1 Biography, 2 Summaries About 8 pages (2,322 words) in 3 products

William A. Anders 1933- American astronaut who was among the first to orbit the moon. Anders graduated from the U.S. Naval Academy and earned a master's degree in nuclear engineering from the Air Force Institute of Engineering. His studies focused th... Study Pack: 1 Summary About 4 pages (1,128 words) in 1 product

William Arkell 1904-1958 English geologist and paleontologist who made major contributions to understating stratigraphy (sequence of rock layers) and invertebrate paleontology. Arkell's Jurassic Geology of the World helped to place stratigraphy on... Study Pack: 1 Summary About 1 pages (201 words) in 1 product

William Augustus Hinton William Augustus Hinton was the first black professor at Harvard Medical School, where he taught preventative medicine and hygiene, as well as bacteriology and immunology. He earned an international reputation as a medical researcher with ... Study Pack: 1 Biography, 1 Summary About 6 pages (1,796 words) in 2 products

The Discovery of Baffin Bay The English navigator and explorer William Baffin (ca. 1584-1622) discovered Baffin Bay and was active in the early exploration of the Arctic. William Baffin's background and his activities prior to 1612 are either unknown or based on conj... Study Pack: 1 Biography, 2 Summaries About 10 pages (2,894 words) in 3 products

William Baffin The English navigator and explorer William Baffin (ca. 1584-1622) discovered Baffin Bay and was active in the early exploration of the Arctic. William Baffin's background and his activities prior to 1612 are either unknown or based on conj... Study Pack: 1 Biography, 2 Summaries About 10 pages (2,894 words) in 3 products

William Balfour Baikie   The Scottish explorer William Balfour Baikie (1825-1864) proved in an expedition up the Niger and Benue rivers that Europeans could penetrate the interior of tropical Africa and survive. William Baikie was born on Aug. 27, 1825, at Kirkwal... Study Pack: 1 Biography, 2 Summaries About 9 pages (2,774 words) in 3 products

William Bartram   The American naturalist William Bartram (1739-1823) published an account of his botanical expedition to the southeastern United States that was widely read in his country and Europe. William Bartram was born on Feb. 9, 1739, near Philadelp... Study Pack: 2 Biographies, 1 Summary, 14 Criticisms About 371 pages (111,276 words) in 17 products

William Bateson   William Bateson (1861-1926), an English biologist, was mainly concerned with evolutionary questions. His dissatisfaction with traditional Darwinian arguments about life's history led him to a career study of heredity and variation. Under D... Study Pack: 4 Biographies, 1 Summary About 13 pages (3,852 words) in 5 products

William Battie 1704-1776 English physician who published one of the first textbooks on psychiatry, the Treatise on Madness, in 1738. This marked the inauguration of psychiatry as a formal medical discipline. Psychiatry, which is now a recognized medical ... Study Pack: 1 Summary About 1 pages (238 words) in 1 product

William Beaumont The American surgeon William Beaumont (1785-1853) is remembered for extensive studies of the human digestive system based on experiments on a live patient. William Beaumont was born in Lebanon, Conn., on Nov. 21, 1785. He grew up on the fa... Study Pack: 5 Biographies, 1 Summary About 14 pages (4,196 words) in 6 products

William Beebe and Otis Barton Set Depth Record   William Beebe (1877-1962) was a naturalist, oceanographer, ornithologist, and an executive of the New York Zoological Society. With Otis Barton, he was the first to use the bathysphere, a deep-sea diving device, and set a dive record in 19... Study Pack: 2 Biographies, 3 Summaries About 36 pages (10,725 words) in 5 products

Charles William Beebe   William Beebe (1877-1962) was a naturalist, oceanographer, ornithologist, and an executive of the New York Zoological Society. With Otis Barton, he was the first to use the bathysphere, a deep-sea diving device, and set a dive record in 19... Study Pack: 2 Biographies, 3 Summaries About 36 pages (10,725 words) in 5 products

William Bligh William Bligh (1754-1817) was an English naval captain and a colonial governor of New South Wales, Australia. Probably best known for his involvement in the mutiny on H. M. S. "Bounty," he had a career fraught with controversy. William Bli... Study Pack: 1 Biography, 1 Summary About 17 pages (5,020 words) in 2 products

William Bourne fl. 1570s English mathematician who published the first detailed description of a submarine. In Inventions or Devices (1578), Bourne provided a design for an enclosed boat that could be submerged and rowed underwater. Made of a wooden fram... Study Pack: 1 Summary About 1 pages (391 words) in 1 product

Sir William Bowman Sir William Bowman is known as England's "father of histological anatomy and ophthalmic surgery." His work in histology (the study of tissue visible only with the aid of a microscope) produced the most detailed observation and documentatio... Study Pack: 1 Biography, 1 Summary About 5 pages (1,399 words) in 2 products

Viscount William Brouncker 1620-1684 English Mathematician In 1662, Viscount William Brouncker proposed to the newly restored English monarch Charles II that an institution be established to advance scientific discussion and learning. The result was the Royal Societ... Study Pack: 1 Summary About 3 pages (766 words) in 1 product

William Buchan 1729-1805 Scottish physician who wrote the most popular general medical guidebook of the late eighteenth and early nineteenth centuries. Intended for a lay audience, Domestic Medicine, or the Family Physician was first published in Edinbur... Study Pack: 1 Summary About 1 pages (153 words) in 1 product

William Buckland Throughout history, there are many accounts of the clash between science and religion. Throughout his career, William Buckland attempted to reconcile these issues--to show how science and theology complimented, rather than contradicted, ea... Study Pack: 1 Biography, 1 Summary About 8 pages (2,239 words) in 2 products

William Crawford Gorgas William Crawford Gorgas (1854-1920), surgeon general of the U.S. Army, conquered yellow fever in the Panama Canal Zone, thus making the building of the canal possible. William C. Gorgas was born October 3, 1854, near Mobile, Ala., the son ... Study Pack: 3 Biographies, 1 Summary About 9 pages (2,735 words) in 4 products

William Caslon 1692-1766 British engraver and type founder who made great contributions to the development of type design and, as a result, bookmaking. William Caslon began his career in London as a toolmaker and engraver of firearms who also cut brass l... Study Pack: 1 Summary About 2 pages (576 words) in 1 product

William Caxton The first English printer, William Caxton (1422-1491), printed a total of about 100 different works. He also translated some 24 books, all but one of which he printed. William Caxton said that he was born in the Weald of Kent, but his exac... Study Pack: 1 Biography, 1 Summary About 7 pages (2,073 words) in 2 products

William Cheselden William Cheselden, a quick and precise surgeon who could remove bladder stones in less than one minute, was instrumental in raising surgery to a profession. Cheselden also was a significant educator on the early teachings of anatomy, and s... Study Pack: 1 Biography, 1 Summary About 4 pages (1,252 words) in 2 products

William Clark   The American explorer and soldier William Clark (1770-1838) was second in command of what has been called the American national epic of exploration, the Lewis and Clark expedition of 1804-1806, which traveled from the Missouri River to the... Study Pack: 3 Biographies, 1 Summary About 68 pages (20,420 words) in 4 products