biology

Hans Christian Gram and the Gram Stain

Hans Christian Gram and the Gram Stain

On September 13, 1853, Danish bacteriologist Hans Christian Gram was born. Gram is best known for his development of the Gram stain, which differentiates bacteria by the chemical and physical properties of their cell walls by detecting peptidoglycan, which is present in a thick layer in gram-positive bacteria. Hans Christian Gram – Youth and Education Hans Christian Gram was the son of Frederik Terkel Julius Gram, a professor of jurisprudence, and Louise Christiane Roulund. In 1871,…
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Comte de Buffon and his Histoire Naturelle

Comte de Buffon and his Histoire Naturelle

On September 7, 1707, French naturalist, mathematician, cosmologist, and encyclopedic author Georges-Louis Leclerc, Comte de Buffon was born. Buffon formulated a crude theory of evolution and was the first to suggest that the earth might be older than suggested by the Bible. His works influenced the next two generations of naturalists, including Jean-Baptiste Lamarck [2] and Georges Cuvier.[6] “Truly, Buffon was the father of all thought in natural history in the second half of…
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Louis Leakey and the Human Evolutionary Development in Africa

Louis Leakey and the Human Evolutionary Development in Africa

On August 7, 1903, Kenyan paleoanthropologist and archaeologist Louis Seymour Bazett Leakey was born. Louis Leakey‘s work was important in establishing human evolutionary development in Africa, particularly through his discoveries in the Olduvai Gorge. We’ve already had posts about his wife Mary Leakey, as well as two other famous women, whose life is connected with Louis Leakey: Dian Fossey and Jane Goodall. Having been a prime mover in establishing a tradition of…
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Jean-Baptiste Lamarck and the Evolution

Jean-Baptiste Lamarck and the Evolution

On August 1, 1744, French naturalist Jean-Baptiste Lamarck was born. Lamarck was an early proponent of the idea that evolution occurred and proceeded in accordance with natural laws. He gave the term biology a broader meaning by coining the term for special sciences, chemistry, meteorology, geology, and botany-zoology. “Do we not therefore perceive that by the action of the laws of organization . . . nature has in favorable times, places, and climates multiplied…
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George Shaw and the unique Mammal Platypus

George Shaw and the unique Mammal Platypus

On July 22, 1813, English botanist and zoologist George Shaw passed away. Shaw published one of the first English descriptions with scientific names of several Australian animals including the very first scientific description of the platypus. “The reasonable man adapts himself to the world; the unreasonable man persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man.” – George Kearsley Shaw, as quoted in [9]…
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Sir Richard Owen and the Interpretation of Fossils

Sir Richard Owen and the Interpretation of Fossils

On July 20, 1804, English biologist, comparative anatomist and paleontologist Sir Richard Owen was born. Despite being a controversial figure, Owen is generally considered to have been an outstanding naturalist with a remarkable gift for interpreting fossils. Owen is probably best remembered today for coining the word Dinosauria (meaning “Terrible Reptile” or “Fearfully Great Reptile“). And today, dinosaurs seem to be more popular than ever, taking into account recent revenues of the latest sequel of…
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Thomas Henry Huxley – Darwin’s Bulldog

Thomas Henry Huxley – Darwin’s Bulldog

On May 4, 1825, English biologist and anthropologist Thomas Henry Huxley was born. A specialist in comparative anatomy he is known as “Darwin’s Bulldog” for his advocacy of Charles Darwin’s theory of evolution[8,9]. “If the question is put to me would I rather have a miserable ape for a grandfather or a man highly endowed by nature and possessed of great means of influence and yet who employs these faculties and that…
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Gaspard Bauhin and the Classification of Plants

Gaspard Bauhin and the Classification of Plants

On January 17, 1560, Swiss botanist Gaspard Bauhin was born. He is best known for his contributions to the field of botany, and especially for his classification of plants. He was a disciple of the famous Italian physician Girolamo Mercuriale and he also worked on human anatomical nomenclature. Gaspard Bauhin – Early Years Caspar Bauhin came from the Bauhin medical family, which had fled to Basel as Huguenots from Paris and Amsterdam;…
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Eadweard Muybridge and the Photography of Motion

Eadweard Muybridge and the Photography of Motion

On April 9, 1830, English photographer Eadweard James Muybridge was born. Muybridge is best known for his pioneering work on animal locomotion in 1877 and 1878, which used multiple cameras to capture motion in stop-motion photographs, and his zoopraxiscope, a device for projecting motion pictures that pre-dated the flexible perforated film strip used in cinematography. Eadweard Muybridge Background Eadweard Muybridge was born as Edward Muggeridge in in Kingston upon Thames. He emigrated to the…
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Gregor Mendel and the Rules of Inheritance

Gregor Mendel and the Rules of Inheritance

On February 8, 1865, German-speaking Silesian scientist and Augustinian friar Gregor Mendel publishes his “Versuche über Pflanzenhybride” (Experiments on Plant Hybridization) in which he describes his experiments with peas, which later became the foundation of the so-called Mendelian inheritance of genetics. “It is willingly granted that by cultivation the origination of new varieties is favored, and that by man’s labor many varieties are acquired which, under natural conditions, would be lost; but nothing…
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