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biology
Thomas Hunt Morgan and the Chromosome Theory of Heredity

Thomas Hunt Morgan and the Chromosome Theory of Heredity

Tabea Tietz
On September 25, 1866, American evolutionary biologist, geneticist, embryologist, and science author Thomas Hunt Morgan was born. He is famous for his experimental research with the fruit fly by which he established the chromosome theory of heredity. Thomas Hunt Morgan was awarded the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity. “Except for the rare cases of plastid inheritance, the inheritance of all known cooacters can…
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biology
George Stapledon and Grassland Science

George Stapledon and Grassland Science

Harald Sack
On September 22, 1882, English grassland scientist and pioneer environmentalist Sir Reginald George Stapledon was born. Stapledon worked to compensate for the land use changes of the 20th century, after the collapse of rural mining industries of 18th and 19th centuries and resultant depopulation. Reginald George Stapledon – Background Reginald George Stapledon was born at Lakenham, Northam, near Bideford, Devon, UK, the sixth of the seven children of shipping agent William Stapledon…
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geology
Sir Richard John Griffith and the Geological Map of Ireland

Sir Richard John Griffith and the Geological Map of Ireland

Harald Sack
On September 20, 1784, Irish geologist and mining engineer Sir Richard John Griffith was born. Griffith sometimes has been called the “father of Irish geology.” He completed the first complete geological map of Ireland and was author of the valuation of Ireland – known ever since as Griffith‘s Valuation. Education and First Work Experience Richard John Griffith was born in Hume Street, Dublin, Ireland, the son of Richard Griffith M.P. of Millicent…
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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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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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chemistry
Luis Federico Leloir and the Metabolic Pathways of Lactose

Luis Federico Leloir and the Metabolic Pathways of Lactose

Harald Sack
On September 6, 1906, Argentine physicist and biochemist Luis Federico Leloir was born. Leloir received the 1970 Nobel Prize in Chemistry for his discovery of the metabolic pathways in lactose, becoming only the third Argentine to receive the prestigious honor in any field. His research has led to significant progress in understanding, diagnosing and treating the congenital disease galactosemia. “This is only one step in a much larger project. I discovered (no, not…
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chemistry
Jacobus Henricus van ‘t Hoff and Physical Chemistry

Jacobus Henricus van ‘t Hoff and Physical Chemistry

Tabea Tietz
On August 30, 1852, Dutch physical chemist Jacobus Henricus Van ‘t Hoff was born. Van ‘t Hoff was the first winner of the Nobel Prize in Chemistry. His pioneering work helped found the modern theory of chemical affinity, chemical equilibrium, chemical kinetics, and chemical thermodynamics. He formulated the theory of the tetrahedral carbon atom and laid the foundations of stereochemistry and predicted the correct structures of allenes and cumulenes as well as their…
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