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Marjorie J. Vold
Marjorie J. Vold (October 25, 1913 – November 4, 1991) was an American chemist. Her research focused on colloids, and was recognized with a Garvan-Olin Medal from the American Chemical Society in 1967. Early life and education Marjorie Jean Young was born on October 25, 1913, in Ottawa, Ontario, and moved to Mount Hamilton, California as a child, with her parents Reynold K. Young and Wilhelmine E. Aitken. Her grandfather Robert Grant Aitken cataloged binary stars at Lick Observatory, and her father also worked an astronomer there. Young attended the University of California at Berkeley for undergraduate and graduate work, earning her doctorate in 1936. She did postdoctoral work at Stanford University. Career Vold moved to southern California in 1941. She worked as a chemist for Union Oil Company during World War II. In 1947 she became a research associate at the University of Southern California, and from 1958 until 1974 she held adjunct professor status there. Her resear ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colloids
A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Some definitions specify that the particles must be dispersed in a liquid, while others extend the definition to include substances like aerosols and gels. The term colloidal suspension refers unambiguously to the overall mixture (although a narrower sense of the word ''suspension'' is distinguished from colloids by larger particle size). A colloid has a dispersed phase (the suspended particles) and a continuous phase (the medium of suspension). The dispersed phase particles have a diameter of approximately 1 nanometre to 1 micrometre. Some colloids are translucent because of the Tyndall effect, which is the scattering of light by particles in the colloid. Other colloids may be opaque or have a slight color. Colloidal suspensions are the subject of interface and colloid science. This field of study was introduced in 1845 by Italian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garvan Medal
Garvan may refer to: People *Francis Patrick Garvan (1875–1937), American lawyer, president of the Chemical Foundation *Genevieve Garvan Brady (1880–1938), American philanthropist and Papal duchess * Garvan McCarthy (born 1981), retired Irish sportsperson * Gerry Garvan, former Irish footballer and coach who played as a midfielder * John Garvan Murtha (born 1941), United States federal judge * Liz Garvan, camogie player *Noel Garvan, Gaelic football player from Laois in Ireland *Owen Garvan (born 1988), Irish footballer Places *Garvan, Gabrovo Province, village in Gabrovo Province, Bulgaria * Garvan, Silistra Province, village in Sitovo Municipality, Silistra Province, Bulgaria *Garvan, Iran, a village in Sistan and Baluchestan Province, Iran *Garvan, a village in the Konče municipality in eastern North Macedonia *Garvăn, a village in Jijila Commune, Tulcea County, Romania *Garvan, a village in Highland, Scotland *Garvan Woodland Gardens 210 acres of botanical garden by the Ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canadian Emigrants To The United States
Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''Canadian''. Canada is a multilingual and multicultural society home to people of groups of many different ethnic, religious, and national origins, with the majority of the population made up of Old World immigrants and their descendants. Following the initial period of French and then the much larger British colonization, different waves (or peaks) of immigration and settlement of non-indigenous peoples took place over the course of nearly two centuries and continue today. Elements of Indigenous, French, British, and more recent immigrant customs, languages, and religions have combined to form the culture of Canada, and thus a Canadian identity. Canada has also been strongly influenced by its linguistic, geographic, and ec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neurological Disease Deaths In California
Neurology (from el, νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the brain, the spinal cord and the peripheral nerves. Neurological practice relies heavily on the field of neuroscience, the scientific study of the nervous system. A neurologist is a physician specializing in neurology and trained to investigate, diagnose and treat neurological disorders. Neurologists treat a myriad of neurologic conditions, including stroke, seizures, movement disorders such as Parkinson's disease, autoimmune neurologic disorders such as multiple sclerosis, headache disorders like migraine and dementias such as Alzheimer's disease. Neurologists may also be involved in clinical research, clinical trials, and basic or translational research. While neurology is a nonsurgical specialty, its corresponding surgical specialty is neurosurgery. Histor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People With Multiple Sclerosis
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deaths From Multiple Sclerosis
Death is the irreversible cessation of all biological functions that sustain an organism. For organisms with a brain, death can also be defined as the irreversible cessation of functioning of the whole brain, including brainstem, and brain death is sometimes used as a legal definition of death. The remains of a former organism normally begin to decompose shortly after death. Death is an inevitable process that eventually occurs in almost all organisms. Death is generally applied to whole organisms; the similar process seen in individual components of an organism, such as cells or tissues, is necrosis. Something that is not considered an organism, such as a virus, can be physically destroyed but is not said to die. As of the early 21st century, over 150,000 humans die each day, with ageing being by far the most common cause of death. Many cultures and religions have the idea of an afterlife, and also may hold the idea of judgement of good and bad deeds in one's life (heaven ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1991 Deaths
File:1991 Events Collage.png, From left, clockwise: Boris Yeltsin, 1991 Russian presidential election, elected as Russia's first President of Russia, president, waves the new flag of Russia after the 1991 Soviet coup d'état attempt, orchestrated by Soviet Union, Soviet hardliners; Mount Pinatubo 1991 eruption of Mount Pinatubo, erupts in the Philippines, making it the List of large historical volcanic eruptions, second-largest Types of volcanic eruptions, volcanic eruption of the 20th century; MTS Oceanos sinks off the coast of South Africa, but the crew notoriously abandons the vessel before the passengers are rescued; Dissolution of the Soviet Union: The Flag of the Soviet Union, Soviet flag is lowered from the Kremlin for the last time and replaced with the flag of the Russian Federation; The United States and soon-to-be dissolved Soviet Union sign the START I Treaty; A tropical cyclone 1991 Bangladesh cyclone, strikes Bangladesh, killing nearly 140,000 people; Lauda Air Flight ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1913 Births
Events January * January 5 – First Balkan War: Battle of Lemnos – Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it will not venture for the rest of the war. * January 13 – Edward Carson founds the (first) Ulster Volunteer Force, by unifying several existing loyalist militias to resist home rule for Ireland. * January 23 – 1913 Ottoman coup d'état: Ismail Enver comes to power. * January – Stalin (whose first article using this name is published this month) travels to Vienna to carry out research. Until he leaves on February 16 the city is home simultaneously to him, Hitler, Trotsky and Tito alongside Berg, Freud and Jung and Ludwig and Paul Wittgenstein. February * February 1 – New York City's Grand Central Terminal, having been rebuilt, reopens as the world's largest railroad station. * February 3 – The 16th Amendment to the United S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Multiple Sclerosis
Multiple (cerebral) sclerosis (MS), also known as encephalomyelitis disseminata or disseminated sclerosis, is the most common demyelinating disease, in which the insulating covers of nerve cells in the brain and spinal cord are damaged. This damage disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems. Specific symptoms can include double vision, blindness in one eye, muscle weakness, and trouble with sensation or coordination. MS takes several forms, with new symptoms either occurring in isolated attacks (relapsing forms) or building up over time (progressive forms). In the relapsing forms of MS, between attacks, symptoms may disappear completely, although some permanent neurological problems often remain, especially as the disease advances. While the cause is unclear, the underlying mechanism is thought to be either destruction by the immune system ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Joy Dorothy Harvey
Joy Dorothy Harvey (born 1934) is an American historian of science. Life Harvey gained a PhD from Harvard University in 1983. She has been an associate editor of the Darwin Correspondence Project, and written a biography of Clémence Royer, Darwin's first French translator. She and Marilyn Bailey Ogilvie collaborated on the multi-volume ''Biographical Dictionary of Women in Science''.Pnina G. Abir-AmThe Making of a Historian of Women in Science: Marilyn Bailey Ogilvie at 80! ''History of Science Society Newsletter'', January 2018. Works * 'Medicine and politics: Dr. Mary Putnam Jacobi and the Paris Commune', ''Dialectical anthropology'', Vol. 15 (1990), p. 107–117 l'autre côté du miroir (The Other Side of the Mirror): French Neurophysiology and English Interpretations in Claude Debru, Jean Gayon and Jean-Francois Picard, eds., ''Les sciences biologiques et médicales en France, 1920-1950'', 1994. * 'Charles Darwins "Selective strategies": die französische versus die englis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marilyn Bailey Ogilvie
Marilyn Bailey Ogilvie (born 1936) is an American historian of science known especially for her work on the history of women in science. She taught at Oklahoma Baptist University before becoming curator of the History of Science Collections and professor at the University of Oklahoma. She is currently Curator Emeritus, History of Science Collections and Professor Emeritus, Department of the History of Science at the university. Biography Dr. Ogilvie earned an A.B. degree in Biology from Baker University (1957), an M.A. in Zoology from the University of Kansas (1959), plus a Ph.D. in the History of Science (1973) and an M.A. in Library Science (1983) from the University of Oklahoma. After working as an associate professor and division chair at Oklahoma Baptist University from 1979 to 1991, Dr. Ogilvie returned to the University of Oklahoma as the Curator of the History of Science Collections. As curator, she expanded the holdings of the collection from 79,000 to 94,000 volumes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bangalore, India
Bangalore (), officially Bengaluru (), is the capital and largest city of the Indian state of Karnataka. It has a population of more than and a metropolitan population of around , making it the third most populous city and fifth most populous urban agglomeration in India, as well as the largest city in South India, and the 27th largest city in the world. Located on the Deccan Plateau, at a height of over above sea level, Bangalore has a pleasant climate throughout the year, with its parks and green spaces earning it the reputation as the "Garden City" of India. Its elevation is the highest among the major cities of India. An aerospace, heavy engineering and electronics hub since the 1960s, Bangalore is widely regarded as the "Silicon Valley of India" because of its role as the nation's leading information technology (IT) exporter.——— In the Ease of Living Index 2020 (published by the Ministry of Housing and Urban Affairs), it was ranked the most livable Indian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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