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Howard T. Ricketts
Howard Taylor Ricketts (February 9, 1871 – May 3, 1910) was an American pathologist after whom the family Rickettsiaceae and the order Rickettsiales are named. He was born in Findlay, Ohio. In the early part of his career, Ricketts undertook research at Northwestern University on blastomycosis. He later worked in the Bitterroot Valley of Montana and at the University of Chicago on Rocky Mountain spotted fever. This early pathology, entomology and epidemiology research in Hamilton, Montana lead to the eventual formation of the Rocky Mountain Laboratory there. While in Montana, Ricketts and his assistant discovered that the vector that carried the pathogen for Rocky Mountain spotted fever is a tick, the Rocky Mountain wood tick (''Dermacentor andersoni''; some other species of ticks, such as the American dog or wood tick, ''Dermacentor variabilis'', also are vectors). It was not at once clear what kind of organism the pathogen was; eventually it was named ''Rickettsia'', the f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Findlay, Ohio
Findlay ( ) is a city in and the county seat of Hancock County, Ohio, United States. The second-largest city in Northwest Ohio, Findlay lies about 40 miles (64 km) south of Toledo. The population was 40,313 at the 2020 census. It is home to the University of Findlay and is the principal city of the Findlay, OH Micropolitan Statistical Area. Findlay is the headquarters of Fortune 1000 companies Marathon Petroleum and Cooper Tire & Rubber Company, who rank 22 and 830 on the list respectively. History In the War of 1812, Colonel James Findlay of Cincinnati built a road and a stockade to transport and shelter troops in the Great Black Swamp region. This stockade was named Fort Findlay in his honor. At the conclusion of the war, the community of Findlay was born. The first town lots were laid out in 1821 by the future Ohio Governor Joseph Vance and Elnathan Corry. Before the Civil War, Findlay was a stop for slaves along the Underground Railroad. In 1861, David Ross ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dermacentor Andersoni
''Dermacentor andersoni'', commonly known as the Rocky Mountain wood tick, is a hard tick, or member of the Ixodidae family, with three life stages including larvae, nymph, and finally adult, or, more entomologically, imago. This tick is generally located in the northwest United States and southwest Canada along the Rocky Mountains. This tick is generally a vector for Colorado tick fever, but can also be a vector for Rocky Mountain spotted fever and tularemia. During the larval and nymphal stages, the tick does not feed on humans, but during the adult stage, it will. Prevention of infections associated with these ticks is based on control of exposure to the vector, including wearing proper clothing when in woods/wet areas, and checking oneself thoroughly after returning home. Adult female ticks can feed for 5 to 15 days, thus removing a tick if present is very important. Follow general tick removal tips. Life cycle ''Dermacentor andersoni'' is a three-host tick with larval, n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1871 Births
Events January–March * January 3 – Franco-Prussian War – Battle of Bapaume: Prussians win a strategic victory. * January 18 – Proclamation of the German Empire: The member states of the North German Confederation and the south German states, aside from Austria, unite into a single nation state, known as the German Empire. The King of Prussia is declared the first German Emperor as Wilhelm I of Germany, in the Hall of Mirrors at the Palace of Versailles. Constitution of the German Confederation comes into effect. It abolishes all restrictions on Jewish marriage, choice of occupation, place of residence, and property ownership, but exclusion from government employment and discrimination in social relations remain in effect. * January 21 – Giuseppe Garibaldi's group of French and Italian volunteer troops, in support of the French Third Republic, win a battle against the Prussians in the Battle of Dijon. * February 8 – 1871 French legislative electi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deaths From Typhus
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 (heav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Pathologists
American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the " United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, people who self-identify their ancestry as "American" ** American English, the set of varieties of the English language native to the United States ** Native Americans in the United States, indigenous peoples of the United States * American, something of, from, or related to the Americas, also known as "America" ** Indigenous peoples of the Americas * American (word), for analysis and history of the meanings in various contexts Organizations * American Airlines, U.S.-based airline headquartered in Fort Worth, Texas * American Athletic Conference, an American college athletic conference * American Recordings (record label), a record label previously known as Def American * American University, in Washington, D.C. Sports teams Soccer * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maurice Hilleman
Maurice Ralph Hilleman (August 30, 1919 – April 11, 2005) was a leading American microbiologist who specialized in vaccinology and developed over 40 vaccines, an unparalleled record of productivity. According to one estimate, his vaccines save nearly eight million lives each year. Many have described him as one of the most influential vaccinologists of all time. Of the 14 vaccines routinely recommended in current American vaccine schedules, Hilleman and his team developed eight: those for measles, mumps, hepatitis A, hepatitis B, chickenpox, '' Neisseria meningitidis'', ''Streptococcus pneumoniae'' and ''Haemophilus influenzae'' bacteria. During the " 1957-1958 Asian flu pandemic", his vaccine is believed to have saved hundreds of thousands of lives. He also played a role in the discovery of antigenic shift and drift, the cold-producing adenoviruses, the hepatitis viruses, and the potentially cancer-causing virus SV40. Biography Early life and education Hilleman was bor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gail Monroe Dack
Gail Monroe Dack (March 4, 1901, Belvidere, Illinois – June 21, 1976, Kane County, Illinois) was an American physician and professor of bacteriology, known as a leading expert on food-borne illnesses. Biography Gail M. Dack graduated in 1918 from Elgin High School and in 1922 with a B.S. from the University of Illinois Urbana-Champaign. He graduated in 1927 with a Ph.D. from the University of Chicago and in 1933 with an M.D. from the University of Chicago Medical School (now named the Pritzker School of Medicine). In the University of Chicago's department of bacteriology, he was from 1925 to 1929 an instructor, from 1929 to 1937 an assistant professor, from 1937 to 1946 an associate professor, from 1946 to 1966 a full professor, and then a professor emeritus in retirement. From 1946 to 1966 he was also the director of the University of Chicago's Food Research Institute. From 1952 to 1953 he chaired the National Research Council Committee on Foods. In a classic 1930 paper, Dack ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sara Elizabeth Branham
Sara Elizabeth Branham Matthews (1888–1962) was an American microbiologist and physician best known for her research into the isolation and treatment of ''Neisseria meningitidis'', a causative organism of meningitis. Biography Branham was born July 25, 1888, in Oxford, Georgia to mother Sarah ("Sallie") Stone and father Junius Branham. Although education of women was not commonplace at the time, members of Sara Branham's family were firm believers in the value of education for women. Following in the footsteps of her mother (Amanda Stone Branham, 1885 graduate) and grandmother (Elizabeth Flournoy Stone, 1840 graduate), she attended Wesleyan College in Macon, Georgia and graduated with a B.S. degree in biology in 1907 as a third generation alumna. She was a member of Alpha Delta Pi. With few professional opportunities offered to women with an education then, she became a schoolteacher, working for ten years in Georgia's public school system in Sparta, Decatur, and finally at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lauretta Bender
Lauretta Bender (August 9, 1897 – January 4, 1987) was an American child neuropsychiatrist known for developing the Bender-Gestalt Test, a psychological test designed to evaluate visual-motor maturation in children. First published by Bender in 1938, the test became widely used for assessing children's neurological function and screening for developmental disorders. She performed research in the areas of autism spectrum disorders in children, suicide and violence, and was one of the first researchers to suggest that mental disorders in children might have a neurological basis, rather than attributing them to the child's bad behavior or poor upbringing. Because she was not trained as a psychologist, but rather as a medical doctor and psychiatrist, most of her work focused on diagnosing mental disorders in children. She also served as the head of the children's psychiatric service at Bellevue Hospital for 21 years starting in 1934. In 1954, she testified at the Senate Subcommittee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Julian Herman Lewis
Julian Herman Lewis (May 26, 1891 – March 6, 1989) was an American pathologist. The son of a freed slave, Lewis became the first African-American associate professor at the University of Chicago in 1922. His research interests included racial differences in relation to medicine and immunology. He earned a Guggenheim Fellowship for research in immunology in 1926. Lewis's research on race culminated in the 1942 publication of ''The Biology of the Negro'', a lengthy text summarizing the scientific literature on the demographic, anatomical, physiological and biochemical characteristics of the black population. While Lewis was deeply interested in biological differences between the races, he argued against the viewpoint that black people were biologically inferior. The book, though well reviewed, sold poorly, and Lewis published no further works after 1943. Early life and education Lewis was born on May 26, 1891, in Shawneetown, Illinois, to John Calhoun Lewis, a freed slave, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Russell Morse Wilder
Russell Morse Wilder Sr. (November 24, 1885 – December 16, 1959) was an American physician, diabetologist, epileptologist, and medical researcher, known at one of the originators of the ketogenic ("classic keto") diet as a therapy for both epilepsy and diabetes. He coined the term "ketogenic diet." He was also among the first American physicians to use insulin for patients with diabetes. Biography At the University of Chicago he graduated with a B.S. in 1907 and with a Ph.D. in pathology in 1911. At Rush Medical College he was an instructor from 1909 to 1910 in pathology and anatomy and graduated there in 1911 with an M.D. (Rush Medical College was affiliated with the University of Chicago until 1942.) During his undergraduate study he spent a year at Heidelberg University. As a medical student, he went to Mexico City in December 1909 with the physician and medical researcher Howard Taylor Ricketts to study typhus fever in the Valley of Mexico. Ricketts died of the disease on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Murinae
The Old World rats and mice, part of the subfamily Murinae in the family Muridae, comprise at least 519 species. Members of this subfamily are called murines. In terms of species richness, this subfamily is larger than all mammal families except the Cricetidae and Muridae, and is larger than all mammal orders except the bats and the remainder of the rodents. Description The Murinae are native to Africa, Europe, Asia, and Australia. They are terrestrial placental mammals. They have also been introduced to all continents except Antarctica, and are serious pest animals. This is particularly true in island communities where they have contributed to the endangerment and extinction of many native animals. Two prominent murine species have become vital laboratory animals: the brown rat and house mouse are both used as medical subjects. The murines have a distinctive molar pattern that involves three rows of cusps instead of two, the primitive pattern seen most frequently in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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