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Jean William Fritz Piaget ( UK: / piˈæʒeɪ /, [1] [2] US: / ˌpiːəˈʒeɪ, pjɑːˈʒeɪ /, [3] [4] [5] French: [ʒɑ̃ pjaʒɛ]; 9 August 1896 – 16 September 1980) was a Swiss psychologist known for his work on child development. Piaget's theory of cognitive development and epistemological view are together called genetic epistemology.
Jean Amédée Hoerni (September 26, 1924 – January 12, 1997) was a Swiss-born American engineer. He was a silicon transistor pioneer, and a member of the " traitorous eight ". He developed the planar process , an important technology for reliably fabricating and manufacturing semiconductor devices , such as transistors and integrated circuits .
1346–1353. Deaths. 25,000,000 – 50,000,000 (estimated) The Black Death was a bubonic plague pandemic occurring in Europe from 1346 to 1353. One of the most fatal pandemics in human history, as many as 50 million people [2] perished, perhaps 50% of Europe's 14th century population. [3] Bubonic plague is caused by the bacterium Yersinia ...
Jean Struven Harris (April 27, 1923 – December 23, 2012) was the headmistress of The Madeira School for girls in McLean, Virginia, who made national news in the early 1980s when she was tried and convicted of the murder of her ex-lover, Herman Tarnower, a well-known cardiologist and author of the best-selling book The Complete Scarsdale ...
Jean C. Alexandre. Jean C. Alexandre (born June 12, 1942) is a Haitian retired diplomat who served as Ambassador of Haiti to the United Nations from 2002 to 2004. Aside from his diplomatic involvement, Jean C. Alexandre dedicated his life to the practice of medicine, as a Diplomate of the American College of Obstetrics and Gynecology .
Developmental Psychologist. Occupational Therapist. Notable work. Sensory Integration and Learning Disorders (1972) Anna Jean Ayres (July 18, 1920 – December 16, 1988) was an American occupational therapist, educational psychologist and advocate for individuals with special needs. She became known for her work on sensory integration (SI) theory.
Belfry of Tournai. / 50.60556°N 3.38806°E / 50.60556; 3.38806. The Belfry of Tournai ( French: Beffroi de Tournai) is a freestanding bell tower of medieval origin in Tournai, Belgium, 72 metres (236 ft) in height with a 256-step stairway. This landmark building is one of a set of Belfries of Belgium and France registered on the UNESCO ...
Jean Frances Tatlock (February 21, 1914 – January 4, 1944) was an American psychiatrist. She was a member of the Communist Party USA and was a reporter and writer for the party's publication Western Worker. She is also known for her romantic relationship with J. Robert Oppenheimer, the director of the Manhattan Project 's Los Alamos ...