| OCTOBER 16 - BIRTHS | |
| Cyril Ponnamperuma | |
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Ceylonese-American chemist and exobiologist, who was a leading authority on the chemical origins of life. He built on the work of Miller and Clayton Urey studying chemical reactions in "primordial soup" experiments. Ponnamperuma focused on producing compounds related to the nucleic acids and offered a convincing theory about series of chemical reactions that gave rise to precursors of life on earth. He demonstrated that nucleotides and dinucleotides can be formed by random processes alone. In another achievement, he showed the formation of ATP, a compound critical to the use of energy within a cell. He was also active in the growing field of exobiology, the study of possible extraterrestrial life and studied lunar soil and meteorites.« |
| Bjørn Helland-Hansen | |
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Norwegian pioneer of modern oceanography whose studies of the physical structure and dynamics of the oceans were instrumental in transforming oceanography from a science that was mainly descriptive to one based on the principles of physics and chemistry. |
| Henry C. Sherman | |
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Henry Clapp Sherman was an American biochemist who did pioneer work in developing assay methods and determining functions of vitamins. He established the average human requirements for calcium (1931), phosphorus, and iron, and for many years his studies were considered the best guides to the health requirements for these minerals. He also determined the human daily requirement of calcium (1931) and B vitamins (1932), and his major study on vitamin A defined a suitable weekly dose (1934), and its storage in the body (1940). In other nutrition studies, he also identified iron-deficiency anaemia, began investigating cobalt in 1946, and debunked the value of spinach. |
| Herbert Calhoun Reed | |
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American chemist who was noted internationally as an analytical and consulting chemist to the leather industry and allied trades. From 1 Jan 1895 he spent 15 years as a chemist with the Stamford Mfg. Co., before establishing his own laboratory in New York City. He was one of a small group of leather industry chemists that founded the American Leather Chemists Association (22 Nov 1903) to establish reliable analytical methods for the commercial quality of materials used in the manufacture of leather, and to introduce scientific methods of tannery plant control. He served as its secretary, and was its president for one year. As one of the leading tanning chemists of the U.S., he wrote extensively on technical topics.« [Image: current logo of the American Leather Chemists Association (ALCA).] |
| Alfred Elis Törnebohm | |
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Swedish geologist and pioneer in the study and analysis of mountain structure. In 1888, he presented the first outlines of his theory of the overthrust of the Caledonian Range (the mountainous region in northwestern Europe extending from the British Isles to western Scandinavia) onto a foreland to the southeast and demonstrated (1896) that the overthrusting applied to the entire mountain range and exceeded 80 miles (130 km). He illustrated his completed description with a map of a 36,000-square-mile (93,000-square-kilometre) area. |
| Robert Stephenson | |
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Outstanding English Victorian civil engineer, (son of George Stephenson) and builder of many long-span railroad bridges, most notably the tubular Britannia Bridge over the Menai Strait, North Wales. After serving as as a mine supervisor in Colombia (1824-7) he managed Robert Stephenson and Company, manufacturers of locomotives, which was founded in 1823 by his father. Their first engine, the Lancashire Witch (1828) had inclined cylinders that were connected directly to crank pins on the wheels and was a direct predecessor to the famous Rocket (1829) which began the century of the steam locomotive. He built the world's first intercity passenger railway operated solely by steam locomotives (1830) between Liverpool and Manchester. |
| Giovanni Arduino | |
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Italian geologist, known as the father of Italian geology, who introduced the terms Primary, Secondary, Tertiary, and Quaternary in 1760 to classify four broad divisions of the Earth's rock surface, each earlier in deposition. Within each he recognized numerous minor strata, and had a clear paleontological interpretation of the age sequence of the fossil record. The Primary order contained Paleozoic formations from the oldest, lowest basaltic rock from ancient volcanoes overlaid with metamorphic and sedimentary rocks which he saw in the Atesine Alps. He classified Mesozoic prealpine foothills as of the Secondary order, Tertiary in the subalpine hills and the Quaternary alluvial deposits in the plains.« |
| Albrecht Von Haller | |
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Swiss biologist, the father of experimental physiology, born in Berne, who made prolific contributions to physiology, anatomy, botany, embryology, poetry, and scientific bibliography. Haller was the first to recognize the mechanism of respiration and the autonomous function of the heart; he discovered that bile helps to digest fats, and he wrote original descriptions of embryonic development. He also summarized anatomical studies of the genital organs, the brain, and the cardiovascular system. Most important were his contributions to the understanding of nerve and muscle activity which laid the foundations for the advent of modern neurology. |
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| OCTOBER 16 - DEATHS | |
| Jon Postel | |
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Jonathan Bruce Postel was an American computer scientist who played a pivotal role in creating and administering the Internet. In the late 1960s, Postel was a graduate student developing the ARPANET, a forerunner of the Internet for use by the U.S. Dept. of Defense. As director of the Internet Assigned Numbers Authority (IANA), which he formed, Postel was a creator of the Internet's address system. The Internet grew rapidly in the 1990s, and there was concern about its lack of regulation. Shortly before his death, Postel submitted a proposal to the U.S. government for an international nonprofit organization that would oversee the Internet and its assigned names and numbers. He died at age 55, from complications after heart surgery. |
| Paul Arthur Zahl | |
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American research biologist, medical physiologist, explorer and writer. After expeditions to Panama, British Guiana, Brazil, and Venezuela (1937-39) he wrote his first book, To the Lost World (1939), recording his search for giant ants in jungle areas of South America. In Flamingo Hunt (1952), he discussed his search for Bahamas flamingo. His articles and photographs illustrated various National Geographic publications with subjects such as an albino gorilla in Central Africa, three-foot long, seven-pound frogs, and the bathtub-sized Rafflesia flower with two-foot-wide leathery petals he found in Malaysia. On other expeditions he researched the deepsea fauna in Straits of Messina and travelled in many other countries. [Image: example of Rafflesia arnoldii, Malaya] |
| Hans Selye | |
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Hans Hugo Bruno Selye was an Austrian-born Canadian endocrinologist known for his studies of the effects of stress on the human body. Selye first detected the effects of stress in 1936 when he injected ovarian hormones into the glandular system of laboratory rats. The hormone stimulated the outer tissue of the adrenal glands of the rats, caused deterioration of the thymus gland, and produced ulcers and finally death. He further determined that these effects could be produced by administering virtually any toxic substance, by physical injury, or by environmental stress. In humans, Selye demonstrated that a stress induced breakdown of the hormonal system could lead to conditions, such as heart disease and high blood pressure, that he called "diseases of adaptation." |
| Eugene Eisenmann | |
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American ornithologist considered an expert on neotropical birds, centered in Panama and extending north into Middle America and south into western South America. At age 51, he retired from the legal profession to pursue his lifelong interest in Middle and South American birds on full-time basis. He was born in Panama, and returned there annually to study the rich birdlife and keep in touch his family. In 1957, he was appointed a Research Associate of the American Museum of Natural History in New York, a position he held until his death. He published only about 30 many papers, but his extensive notes on systematics, behavior, and distribution of Middle American birds remain as an invaluable resource for anyone studying the subject. |
| Robert Redfield | |
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U.S. pioneer of urban anthropology. From his studies of Mexican communities, Redfield developed a theory (1956) of a folk-urban continuum, to account for the differences between folk society and urban society. A folk society was small in size, isolated, homogeneous, preliterate with a social and cultural life linked to kinship and sacred beliefs. Urban society had opposite of all these features. He believed that any community had a place on this continuum from folk to urban. This scale implied that simpler or folk forms of society would evolve to complex social forms with time. Anthropologists now consider the way folk and urban societies are part of a larger social, political and economic environment, rather than considered as separate poles on a continuum. |
| Carl Richard Moore | |
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American zoologist noted for his research on animal reproductive organs and internal secretions. Moore systematically studied the gonads and associated ducts and glands of vertebrates. Collaborating with T.F. Gallagher and F.C. Koch at the University of Chicago, he became the first to isolate testicular secretion containing the male sex hormones androsterone and testosterone; the former primarily influences the growth and development of the male reproductive system, whereas the latter is responsible for inducing and maintaining secondary male sex characteristics. This discovery (c. 1929) paved the way for research into the chemical makeup of such androgens and their production. |
| Eliza Maria Mosher | |
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American physician and educator whose wide-ranging medical career included an educational focus on physical fitness and health maintenance. Upon receiving her M.D. degree (1875), she began private practice in Poughkeepsie, N.Y. In 1877 she was made resident physician at the Massachusetts State Reformatory Prison for Women at Sherborn, Mass. Subsequently, she became superintendent of the institution, though an injury to her knee forced her to return to private practice and university positions. In private research she investigated medical aspects of posture. She designed the seats in several types of rapid-transit streetcars, and invented an orthopedically sound kindergarten chair and was a founder of the American Posture League. |
| John Gould Anthony | |
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American conchologist who was was recognized as an authority on the American land and fresh-water mollusca. During a career in business, his interest in natural history led to a collection of freshwater mollusks of the Ohio River. From 1835 on, he corresponded with mollusk researchers and began to publish his findings. Serious eye trouble (1851) forced his retirement from business. In 1853, he toured Kentucky, Tennessee, and Georgia to collect mollusks. His publications attracted the attention of Professor Agassiz, who asked him to take charge of the conchologieal department of the Museum of Comparative Zoology, Harvard (1863), where he remained until his death. He accompanied Agassiz on the Thayer expedition to Brazil in 1865. |
| John Hunter | |
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Scottish surgeon, founder of pathological anatomy in England, and early advocate of investigation and experimentation. He also carried out many important studies and experiments in comparative aspects of biology, anatomy, physiology, and pathology. His work included a study of human teeth and advancement of dentistry, an extensive study of inflammation, fine work on gun-wounds and some work on venereal diseases. In 1764, he set up his own anatomy school in London. Following his appointment as surgeon to King George III (1776) he was appointed deputy surgeon to the British Army (1786) and was made Surgeon General in (1789). He was a younger brother of William Hunter, the anatomist. |
| OCTOBER 16 - EVENTS | |
| Element 118 | |
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| Youngest organ transplant | |
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| Halley's Comet | |
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| First Chinese Atomic Bomb Test | |
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| Heart movie | |
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| Inside-frosted light bulb | |
| Peking Man | |
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| Birth control clinic | |
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| Blood transfusion | |
| First flight in England | |
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| High Bridge | |
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| Homeopathic college | |
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| Anesthetic | |
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| First U.S. Psychiatric Association | |
| Quaternions | |
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| Annunciator | |
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