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J. B. Gunn
John Battiscombe "J. B." Gunn (13 May 1928 – 2 December 2008), known as Ian or Iain, was a British physicist, who spent most of his career in the United States. He discovered the Gunn effect, which led to the invention of the Gunn diode, the first inexpensive source of microwave power that did not require vacuum tubes. He was born John Battiscombe Gunn, but only used that name in legal documents. Early life J. B. Gunn was born in 1928 in Cairo, Egypt, to Battiscombe "Jack" Gunn, a leading Egyptologist, and Lillian Florence (Meena) Meacham Hughes Gunn, who studied psychoanalytic technique with Sigmund Freud. In 1931 the family moved to Glen Riddle, Pennsylvania, while Jack was Curator of the Egyptian Section of the museum at the University of Pennsylvania in Philadelphia. As a young boy he already showed an interest in electronics. As his older half brother Pat (Spike) Hughes, wrote of a visit to Glen Riddle in 1933: "...at 4 years and a few months, Iain was already pass ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Kisco, New York
Mount Kisco is a Administrative divisions of New York#Village, village and Administrative divisions of New York#Town, town in Westchester County, New York, United States. The town of Mount Kisco is coterminous municipality, coterminous with the village. The population was 10,959 at the 2020 United States census over 10,877 at the 2010 census. It serves as a significant historic site along the Washington-Rochambeau Revolutionary Route#Mount Kisco, NY, Washington-Rochambeau Revolutionary Route. History The name ''Kisco'' may be connected to the Munsee language, Munsee word ''asiiskuw'' ("mud"), and the name of the settlement "first appeared in colonial records as Cisqua, the name of a meadow and river mentioned in the September 6, 1700 Indian deed to land in the area."Robert S. Grumet, ''Manhattan to Minisink: American Indian Place Names of Greater New York and Vicinity'' (University of Oklahoma Press, 2013), p. 62. The spelling ''Mount Kisko'' was used by the local postmaster whe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microwave
Microwave is a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter corresponding to frequencies between 300 MHz and 300 GHz respectively. Different sources define different frequency ranges as microwaves; the above broad definition includes both UHF and EHF (millimeter wave) bands. A more common definition in radio-frequency engineering is the range between 1 and 100 GHz (wavelengths between 0.3 m and 3 mm). In all cases, microwaves include the entire SHF band (3 to 30 GHz, or 10 to 1 cm) at minimum. Frequencies in the microwave range are often referred to by their IEEE radar band designations: S, C, X, Ku, K, or Ka band, or by similar NATO or EU designations. The prefix ' in ''microwave'' is not meant to suggest a wavelength in the micrometer range. Rather, it indicates that microwaves are "small" (having shorter wavelengths), compared to the radio waves used prior to microwave te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Oxford
, mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor = The Lord Patten of Barnes , vice_chancellor = Louise Richardson , students = 24,515 (2019) , undergrad = 11,955 , postgrad = 12,010 , other = 541 (2017) , city = Oxford , country = England , coordinates = , campus_type = University town , athletics_affiliations = Blue (university sport) , logo_size = 250px , website = , logo = University of Oxford.svg , colours = Oxford Blue , faculty = 6,995 (2020) , academic_affiliations = , The University of Oxford is a collegiate research university in Oxf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
APL (programming Language)
APL (named after the book ''A Programming Language'') is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the Array data type#Multi-dimensional arrays, multidimensional array. It uses a large range of APL syntax and symbols, special graphic symbols to represent most functions and operators, leading to very concise code. It has been an important influence on the development of concept modeling, spreadsheets, functional programming, and computer math packages. It has also inspired several other programming languages. History Mathematical notation A mathematical notation for manipulating arrays was developed by Kenneth E. Iverson, starting in 1957 at Harvard University. In 1960, he began work for IBM where he developed this notation with Adin Falkoff and published it in his book ''A Programming Language'' in 1962. The preface states its premise: This notation was used inside IBM for short research reports on computer systems, such as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kenneth E
Kenneth is an English given name and surname. The name is an Anglicised form of two entirely different Gaelic personal names: ''Cainnech'' and '' Cináed''. The modern Gaelic form of ''Cainnech'' is ''Coinneach''; the name was derived from a byname meaning "handsome", "comely". A short form of ''Kenneth'' is '' Ken''. Etymology The second part of the name ''Cinaed'' is derived either from the Celtic ''*aidhu'', meaning "fire", or else Brittonic ''jʉ:ð'' meaning "lord". People :''(see also Ken (name) and Kenny)'' Places In the United States: * Kenneth, Indiana * Kenneth, Minnesota * Kenneth City, Florida In Scotland: * Inch Kenneth, an island off the west coast of the Isle of Mull Other * "What's the Frequency, Kenneth?", a song by R.E.M. * Hurricane Kenneth * Cyclone Kenneth Intense Tropical Cyclone Kenneth was the strongest tropical cyclone to make landfall in Mozambique since modern records began. The cyclone also caused significant damage in the Comoro Islands an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spike Hughes
Patrick Cairns "Spike" Hughes (19 October 1908 – 2 February 1987) was a British musician, composer and arranger involved in the worlds of classical music and jazz. He has been called Britain's earliest jazz composer. Later in his career, he became better known as a broadcaster and humorous author. Early career Born in London, England, Hughes was the son of Irish composer, writer and song collector Herbert Hughes and great grandson of the sculptor Samuel Peploe Wood. His childhood, spent mostly with his mother Lilian Meacham (1886–1973), a Harley Street psychiatrist, involved extensive travelling in France and Italy, as well as a more settled period of education at Perse School in Cambridge.Gammond, Peter. 'Hughes, Patrick Cairns pike in ''The Oxford Dictionary of National Biography'' In 1923, at the age of 15 he spent an extended period in Vienna to study composition with Egon Wellesz. While there he claimed to have visited the opera nearly 450 times, always standing at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philadelphia
Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since 1854, the city has been coextensive with Philadelphia County, the most populous county in Pennsylvania and the urban core of the Delaware Valley, the nation's seventh-largest and one of world's largest metropolitan regions, with 6.245 million residents . The city's population at the 2020 census was 1,603,797, and over 56 million people live within of Philadelphia. Philadelphia was founded in 1682 by William Penn, an English Quaker. The city served as capital of the Pennsylvania Colony during the British colonial era and went on to play a historic and vital role as the central meeting place for the nation's founding fathers whose plans and actions in Philadelphia ultimately inspired the American Revolution and the nation's inde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Pennsylvania
The University of Pennsylvania (also known as Penn or UPenn) is a private research university in Philadelphia. It is the fourth-oldest institution of higher education in the United States and is ranked among the highest-regarded universities by numerous organizations and scholars. While the university dates its founding to 1740, it was created by Benjamin Franklin and other Philadelphia citizens in 1749. It is a member of the Ivy League. The university has four undergraduate schools as well as twelve graduate and professional schools. Schools enrolling undergraduates include the College of Arts and Sciences, the School of Engineering and Applied Science, the Wharton School, and the School of Nursing. Among its highly ranked graduate schools are its law school, whose first professor wrote the first draft of the United States Constitution, its medical school, the first in North America, and Wharton, the first collegiate business school. Penn's endowment is US$20.7 billio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Pennsylvania Museum Of Archaeology And Anthropology
The University of Pennsylvania Museum of Archaeology and Anthropology—commonly known as the Penn Museum—is an archaeology and anthropology museum at the University of Pennsylvania. It is located on Penn's campus in the University City neighborhood of Philadelphia, at the intersection of 33rd and South Streets. Housing over 1.3 million artifacts, the museum features one of the most comprehensive collections of middle and near-eastern art in the world. History The University of Pennsylvania Museum of Archaeology and Anthropology—which has conducted more than 300 archaeological and anthropological expeditions around the world—was founded during the administration of Provost William Pepper. In 1887, Provost Pepper persuaded the trustees of the University of Pennsylvania to erect a fireproof building to house artifacts from an upcoming expedition to the ancient site of Nippur in modern-day Iraq (then part of the Ottoman Empire). During the late 19th and early 20th centuries, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Maryland to its south, West Virginia to its southwest, Ohio to its west, Lake Erie and the Canadian province of Ontario to its northwest, New York to its north, and the Delaware River and New Jersey to its east. Pennsylvania is the fifth-most populous state in the nation with over 13 million residents as of 2020. It is the 33rd-largest state by area and ranks ninth among all states in population density. The southeastern Delaware Valley metropolitan area comprises and surrounds Philadelphia, the state's largest and nation's sixth most populous city. Another 2.37 million reside in Greater Pittsburgh in the southwest, centered around Pittsburgh, the state's second-largest and Western Pennsylvania's largest city. The state's su ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sigmund Freud
Sigmund Freud ( , ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies explained as originating in conflicts in the Psyche (psychology), psyche, through dialogue between a patient and a psychoanalyst. Freud was born to Galician Jews, Galician Jewish parents in the Moravian town of Příbor, Freiberg, in the Austrian Empire. He qualified as a doctor of medicine in 1881 at the University of Vienna. Upon completing his habilitation in 1885, he was appointed a docent in neuropathology and became an affiliated professor in 1902. Freud lived and worked in Vienna, having set up his clinical practice there in 1886. In 1938, Freud left Austria to escape Nazi persecution. He died in exile in the United Kingdom in 1939. In founding psychoanalysis, Freud developed therapeutic techniques such as the use of free association (psychology), free a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battiscombe Gunn
Battiscombe George "Jack" Gunn, (30 June 1883 – 27 February 1950) was an English Egyptologist and philologist. He published his first translation from Egyptian in 1906. He translated inscriptions for many important excavations and sites, including Fayum, Saqqara, Amarna, Giza and Luxor (including Tutankhamun). He was curator at the Egyptian Museum in Cairo and at the University Museum at the University of Pennsylvania in Philadelphia. In 1934 he was appointed Professor of Egyptology at the University of Oxford, a chair he held until his death in 1950. Early life and background Gunn was born in London, the son of George Gunn, a member of the London Stock Exchange, and Julia Alice Philp. His paternal grandparents were Theophilus Miller Gunn FRCS, a prominent London surgeon originally from Chard, and Mary Dally Battiscombe, from Bridport. Theophilus's father was John Gunn, a non-conformist preacher, brother of Daniel Gunn, originally from Wick in Scotland, but who spent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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