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biology
Carl Correns and the Principles of Heredity

Carl Correns and the Principles of Heredity

Tabea Tietz
On September 19, 1864, German botanist and geneticist Carl Erich Correns was born. Correns is notable primarily for his independent discovery of the principles of heredity, and for his rediscovery of Gregor Mendel‘s earlier paper on that subject, which he achieved simultaneously but independently of the botanists Erich Tschermak and Hugo de Vries, and the agronomist William Jasper Spillman.[5] Family and Academic Career Carl Correns came from a family of lawyers in the…
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biology
Clark Wissler and the Normative Aspect of Culture

Clark Wissler and the Normative Aspect of Culture

Harald Sack
On September 18, 1870, American anthropologist Clark David Wissler was born. Wissler devised the age-area concept which held that the age of cultural traits could be found by correlating the diffusion of those traits throughout their associated area. He was the first anthropologist to perceive the normative aspect of culture, to define it as learned behavior, and to describe it as a complex of ideas, all characteristics of culture that are today…
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medical science
Duchenne de Boulogne’s Research in Neurology

Duchenne de Boulogne’s Research in Neurology

Tabea Tietz
On September 17, 1806, French neurologist Duchenne de Boulogne was born. Duchenne de Boulogne revived Galvani‘s research and greatly advanced the science of electrophysiology.[3] The era of modern neurology developed from Duchenne‘s understanding of neural pathways and his diagnostic innovations including deep tissue biopsy, nerve conduction tests (NCS), and clinical photography. He was first to describe several nervous and muscular disorders and, in developing medical treatment for them, created electrodiagnosis and electrotherapy. Duchenne…
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chemistry
Albert Szent-Györgyi and the DIscovery of Vitamin C

Albert Szent-Györgyi and the DIscovery of Vitamin C

Harald Sack
On September 16, 1893, Hungarian biochemist and Nobel laureate Albert Szent-Györgyi was born. Albert Szent-Györgyi is credited with discovering vitamin C and the components and reactions of the citric acid cycle. “Discovery consists of looking at the same thing as everyone else and thinking something different.” Attributed to Szent-Györgyi in: IEEE (1985) Bridging the present and the future: IEEE Professional Communication Society conference record, Williamsburg, Virginia, October 16-18, 1985. p. 14. Youth…
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astronomy
Jean Bailly and the Orbit of Halley’s Comet

Jean Bailly and the Orbit of Halley’s Comet

Tabea Tietz
On September 15, 1736, French astronomer, mathematician, freemason, and political leader of the early part of the French Revolution Jean Sylvain Bailly was born. Bailly computed an orbit for Halley’s Comet (1759) and studied the four satellites of Jupiter then known. He was the first Mayor of Paris and presided over the Tennis Court Oath. “The motion of the stars calculated by the Hindus some 4500 years before vary not even a single…
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mathematics
Ivan Matveevich Vinogradov and the Goldbach Conjecture

Ivan Matveevich Vinogradov and the Goldbach Conjecture

Harald Sack
On September 14, 1891, Soviet mathematician Ivan Matveevich Vinogradov was born. Vinogradov is best known for his contributions to the analytical theory of numbers, including a partial solution of the Goldbach conjecture proving that every sufficiently large odd integer can be expressed as the sum of three odd primes. Ivan Matveevich Vinogradov – Youth and Education Ivan Matveevich Vinogradov was born to Matvei Avraam’evich Vinogradov, a priest in Milolyub, a village in…
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physics
Sir Andrew Noble and the Science of Ballistics

Sir Andrew Noble and the Science of Ballistics

Tabea Tietz
On September 13, 1831, Scottish physicist Andrew Noble was born. Noble was a gunnery expert, known as a founder of the science of ballistics. He invented the chronoscope, a device for measuring very small time intervals, and used it to measure the velocity of shot in gun barrels. Andrew Noble – Early Years Born at Greenock, Andrew Noble was educated at Edinburgh Academy and at the Royal Military Academy, Woolwich. He was commissioned in…
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engineering
Richard March Hoe and the Second Printing Revolution

Richard March Hoe and the Second Printing Revolution

Harald Sack
On September 12, 1812, American inventor Richard March Hoe was born. Hoe designed a rotary printing press and related advancements, including the “Hoe web perfecting press” in 1871, which used a continuous roll of paper and revolutionized newspaper publishing. Richard March Hoe – Early Years Richard March Hoe was born in New York City, the son of Robert Hoe, an English-born American mechanic from Leicestershire, who with brothers-in-law Peter and Matthew Smith had…
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astronomy
James Jeans and the Theory of Continuous Creation

James Jeans and the Theory of Continuous Creation

Tabea Tietz
On September 11, 1877, English physicist, astronomer and mathematician James Hopwood Jeans was born. Jeans was the first to propose that matter is continuously created throughout the universe. He made other innovations in astronomical theory but is perhaps best known as a writer of popular books about astronomy. “The stream of knowledge is heading towards a non-mechanical reality; the Universe begins to look more like a great thought than like a great machine.…
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astronomy
James Edward Keeler and the Rings of Saturn

James Edward Keeler and the Rings of Saturn

Harald Sack
On September 10, 1857, American astronomer James Edward Keeler was born. Keeler is best known for being the astronomer who confirmed James Clerk Maxwell‘s theory that the rings of Saturn were not solid (requiring uniform rotation), but composed of meteoric particles.[3] James Edward Keeler – Early Years James Edward Keeler was born in La Salle, Illinois, to William F. Keeler, who served as a paymaster in the U.S. Navy at the time…
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