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Donald Dines Wall
Donald Dines Wall (August 13, 1921 – November 28, 2000) was an American mathematician working primarily on number theory. He obtained his Doctor of Philosophy, Ph.D. on normal numbers from University of California, Berkeley in 1949, where his adviser was Derrick Henry Lehmer. His better known papers include the first modern analysis of Fibonacci sequence modular arithmetic, modulo a positive integer. Drawing on Wall's work, Zhi-Hong Sun and his twin brother Zhi-Wei Sun proved a theorem about what are now known as the Wall–Sun–Sun primes that guided the search for counterexamples to Fermat's Last Theorem. Early life Wall was born in Kansas City, Missouri, on August 13, 1921 to Donald F. Wall and Mary Wooldridge. The family lived in Louisiana and Texas as he was growing up. In 1933, they moved to Whittier, California, then in 1936 to Santa Barbara, California, where he graduated from high school in 1938. He enrolled at University of California, Los Angeles, UCLA and joined th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kansas City, Missouri
Kansas City (abbreviated KC or KCMO) is the largest city in Missouri by population and area. As of the 2020 census, the city had a population of 508,090 in 2020, making it the 36th most-populous city in the United States. It is the central city of the Kansas City metropolitan area, which straddles the Missouri–Kansas state line and has a population of 2,392,035. Most of the city lies within Jackson County, with portions spilling into Clay, Cass, and Platte counties. Kansas City was founded in the 1830s as a port on the Missouri River at its confluence with the Kansas River coming in from the west. On June 1, 1850, the town of Kansas was incorporated; shortly after came the establishment of the Kansas Territory. Confusion between the two ensued, and the name Kansas City was assigned to distinguish them soon after. Sitting on Missouri's western boundary with Kansas, with Downtown near the confluence of the Kansas and Missouri Rivers, the city encompasses about , making ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whittier, California
Whittier () is a city in Southern California in Los Angeles County, California, Los Angeles County, part of the Gateway Cities. The city had 87,306 residents as of the 2020 United States census, an increase of 1,975 from the 2010 United States census, 2010 census figure. Whittier was incorporated in February 1898 and became a charter city in 1955. The city is named for the Quaker poet John Greenleaf Whittier and is home to Whittier College. Etymology In the founding days of Whittier, when it was a small isolated town, Jonathan Bailey and his wife, Rebecca, were among the first residents. They followed the Quaker religious faith and practice, and held religious meetings on their porch. Other early settlers, such as Aquila Pickering, espoused the Quaker faith. As the city grew, the citizens named it after John Greenleaf Whittier, a respected Quaker poet, and deeded a lot to him. Whittier wrote a dedication poem, and is honored today with statues and a small exhibit at the Whittie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
UC Berkeley
The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public university, public land-grant university, land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant university and the founding campus of the University of California system. Its fourteen colleges and schools offer over 350 degree programs and enroll some 31,800 undergraduate and 13,200 graduate students. Berkeley ranks among the world's top universities. A founding member of the Association of American Universities, Berkeley hosts many leading research institutes dedicated to science, engineering, and mathematics. The university founded and maintains close relationships with three United States Department of Energy National Laboratories, national laboratories at Lawrence Berkeley National Laboratory, Berkeley, Lawrence Livermore National Laboratory, Livermore and Los Alamos National Laboratory, Los ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Massachusetts Institute Of Technology
The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the most prestigious and highly ranked academic institutions in the world. Founded in response to the increasing industrialization of the United States, MIT adopted a European polytechnic university model and stressed laboratory instruction in applied science and engineering. MIT is one of three private land grant universities in the United States, the others being Cornell University and Tuskegee University. The institute has an urban campus that extends more than a mile (1.6 km) alongside the Charles River, and encompasses a number of major off-campus facilities such as the MIT Lincoln Laboratory, the Bates Center, and the Haystack Observatory, as well as affiliated laboratories such as the Broad and Whitehead Institutes. , 98 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harvard University
Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher learning in the United States and one of the most prestigious and highly ranked universities in the world. The university is composed of ten academic faculties plus Harvard Radcliffe Institute. The Faculty of Arts and Sciences offers study in a wide range of undergraduate and graduate academic disciplines, and other faculties offer only graduate degrees, including professional degrees. Harvard has three main campuses: the Cambridge campus centered on Harvard Yard; an adjoining campus immediately across Charles River in the Allston neighborhood of Boston; and the medical campus in Boston's Longwood Medical Area. Harvard's endowment is valued at $50.9 billion, making it the wealthiest academic institution in the world. Endowment inco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trinity College (Connecticut)
Trinity College is a Private university, private Liberal arts colleges in the United States, liberal arts college in Hartford, Connecticut. Founded as Washington College in 1823, it is the second-oldest college in the state of Connecticut. Coeducational since 1969, the college enrolls 2,235 students. Trinity offers 41 majors and 28 interdisciplinary minors. The college is a member of the New England Small College Athletic Conference (NESCAC). History Early history Thomas Church Brownell, Bishop Thomas Brownell opened Washington College in 1824 to nine male studentsAlbert E. Van Dusen, ''Connecticut" (1961) pp 362-63 and the vigorous protest of Yale University, Yale alumni. A 14-acre site was chosen, at the time about a half-mile from the city of Hartford. Over time Bushnell Park was laid out to the north and the east, creating a beautiful space. The college was renamed Trinity College in 1845; the original campus consisted of two Greek Revival buildings. One of the Gre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aetna Life Insurance Company
Aetna Inc. () is an American managed health care company that sells traditional and consumer directed health care insurance and related services, such as medical, pharmaceutical, dental, behavioral health, long-term care, and disability plans, primarily through employer-paid (fully or partly) insurance and benefit programs, and through Medicare. Since November 28, 2018, the company has been a subsidiary of CVS Health. The company's network includes 22.1 million medical members, 12.7 million dental members, 13.1 million pharmacy benefit management services members, 1.2 million health-care professionals, over 690,000 primary care doctors and specialists, and over 5,700 hospitals. Aetna is descended from Aetna (Fire) Insurance Company of Hartford, Connecticut. The name of the company is based on Mount Etna, at the time the most active volcano in Europe. History 1800s * ''1819'': Henry Leavitt Ellsworth, Yale graduate and attorney, became the second president of Aetna (F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hartford, Connecticut
Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since the 2010 United States census have indicated that Hartford is the fourth-largest city in Connecticut with a 2020 population of 121,054, behind the coastal cities of Bridgeport, New Haven, and Stamford. Hartford was founded in 1635 and is among the oldest cities in the United States. It is home to the country's oldest public art museum (Wadsworth Atheneum), the oldest publicly funded park (Bushnell Park), the oldest continuously published newspaper (the ''Hartford Courant''), and the second-oldest secondary school (Hartford Public High School). It is also home to the Mark Twain House, where the author wrote his most famous works and raised his family, among other historically significant sites. Mark Twain wrote in 1868, "Of all the beautifu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Master Of Arts
A Master of Arts ( la, Magister Artium or ''Artium Magister''; abbreviated MA, M.A., AM, or A.M.) is the holder of a master's degree awarded by universities in many countries. The degree is usually contrasted with that of Master of Science. Those admitted to the degree have typically studied subjects within the scope of the humanities and social sciences, such as history, literature, languages, linguistics, public administration, political science, communication studies, law or diplomacy; however, different universities have different conventions and may also offer the degree for fields typically considered within the natural sciences and mathematics. The degree can be conferred in respect of completing courses and passing examinations, research, or a combination of the two. The degree of Master of Arts traces its origins to the teaching license or of the University of Paris, designed to produce "masters" who were graduate teachers of their subjects. Europe Czech Republic a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Douglas Aircraft
The Douglas Aircraft Company was an American aerospace manufacturer based in Southern California. It was founded in 1921 by Donald Wills Douglas Sr. and later merged with McDonnell Aircraft in 1967 to form McDonnell Douglas; it then operated as a division of McDonnell Douglas. McDonnell Douglas later merged with Boeing in 1997. History 1920s The company was founded as the Douglas Company by Donald Wills Douglas Sr. on July 22, 1921 in Santa Monica, California, following dissolution of the Davis-Douglas Company. An early claim to fame was the first circumnavigation of the world by air in Douglas airplanes in 1924. In 1923, the U.S. Army Air Service was interested in carrying out a mission to circumnavigate the Earth for the first time by aircraft, a program called "World Flight". Donald Douglas proposed a modified Douglas DT to meet the Army's needs. The two-place, open cockpit DT biplane torpedo bomber had previously been produced for the U.S. Navy.Rumerman, Judy. "The Dougla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bachelor Of Arts
Bachelor of arts (BA or AB; from the Latin ', ', or ') is a bachelor's degree awarded for an undergraduate program in the arts, or, in some cases, other disciplines. A Bachelor of Arts degree course is generally completed in three or four years, depending on the country and institution. * Degree attainment typically takes four years in Afghanistan, Armenia, Azerbaijan, Bangladesh, Brazil, Brunei, China, Egypt, Ghana, Greece, Georgia, Hong Kong, Indonesia, Iran, Iraq, Ireland, Japan, Kazakhstan, Kenya, Kuwait, Latvia, Lebanon, Lithuania, Mexico, Malaysia, Mongolia, Myanmar, Nepal, Netherlands, Nigeria, Pakistan, the Philippines, Qatar, Russia, Saudi Arabia, Scotland, Serbia, South Korea, Spain, Sri Lanka, Taiwan, Thailand, Turkey, Ukraine, the United States and Zambia. * Degree attainment typically takes three years in Albania, Australia, Bosnia and Herzegovina, the Caribbean, Iceland, India, Israel, Italy, New Zealand, Norway, South Africa, Switzerland, the Canadian province of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Howard Christian Naffziger
Howard Christian Naffziger (1884–1961) was a reputed U.S. neurosurgeon, noted for his invention of the orbital decompression procedure, to alleviate intraocular pressure (that occurs in, e.g., goiter). Christian Jacob Naffziger had immigrated to the United States from Bavaria and settled in , after a stint as a farmer in Illinois. He met and married Lizzie Scott Naffziger, with whom he had three children. Only one, Howard Christian Naffziger, born on May 6, 1884, survived into adulthood. Howar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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