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Tabea Tietz

biology
Gregory Pincus and the Contraceptive Pill

Gregory Pincus and the Contraceptive Pill

Tabea Tietz
On April 9, 1903, American biologist and endocrinologist Gregory Goodwin Pincus was born. Pincus’ work on the antifertility properties of steroids led to the development of the first effective oral contraceptive: the birth-control pill. Gregory Pincus – Youth and Education Gregory Pincus was born in Woodbine, New Jersey and received a bachelor’s degree in agriculture from Cornell University. He became an instructor in zoology at Harvard University while also working toward his…
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biology
Walter Sutton developed the Chromosome Theory

Walter Sutton developed the Chromosome Theory

Tabea Tietz
On April 5, 1877, American geneticist and physician Walter Stanborough Sutton was born. Sutton’s most significant contribution to present-day biology was his theory that the Mendelian laws of inheritance could be applied to chromosomes at the cellular level of living organisms. This is now known as the Boveri-Sutton chromosome theory. He furthermore provided the first conclusive evidence that chromosomes carry the units of inheritance and occur in distinct pairs. “I may finally…
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communication
The Legend of the Pony Express

The Legend of the Pony Express

Tabea Tietz
On April 3, 1860, the Pony Express started delivering messages, newspapers, mail, even small packages from St. Joseph, Missouri across the Great Plains, over the Rocky Mountains and the Sierra Nevada to Sacramento, California by horseback, using a series of relay stations. Although being an economic disaster, the Pony Express has become a U.S. national legend. Gold in California In January 1848, Gold was discovered in California, but the poor communication between…
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transportation
Benjamin Outram an the First Cast Iron Navigable Aqueduct

Benjamin Outram an the First Cast Iron Navigable Aqueduct

Tabea Tietz
On April 1, 1764, English civil engineer, surveyor and industrialist Benjamin Outram was born. Outram was a pioneer in the building of canals and tramways. His commissions included becoming engineer for the Nottingham Canal in 1792, and the Derby Canal in 1793. For the latter, he erected the world‘s first cast iron navigable aqueduct (water bridge), the 13m long, single span, Holmes Aqueduct that carried the Derby Canal. Benjamin Outram – Early Years…
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space
Luna 10 – the First Artificial Satellite of the Moon

Luna 10 – the First Artificial Satellite of the Moon

Tabea Tietz
On March 31, 1966, Soviet Luna program, robotic spacecraft mission was launched. Luna 10 was the first artificial satellite of the Moon. In 1959 the Soviet Union started its lunar exploration program with Luna 1 and continued the program until 1976 with Luna 24. The Luna Programme The Luna programme consisted of a series of robotic spacecraft missions sent to the Moon by the Soviet Union between 1959 and 1976. Fifteen out…
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engineering
Sir Joseph William Bazalgette and the Great Stink of 1858

Sir Joseph William Bazalgette and the Great Stink of 1858

Tabea Tietz
On March 28, 1819, British civil engineer Joseph William Bazalgette was born. As chief engineer of London‘s Metropolitan Board of Works Bazalgette‘s major achievement was the creation in response to the Great Stink of 1858 of a sewer network for central London which was instrumental in relieving the city from cholera epidemics, while beginning the cleansing of the River Thames. From Railway Projects to London’s Sewers Joseph William Bazalgette was mainly educated at home…
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engineering
The Windsurfer Sailboard – The Invention of a New Sport

The Windsurfer Sailboard – The Invention of a New Sport

Tabea Tietz
On March 27, 1968, Hoyle Schweitzer and Jim Drake filed a patent application for a “Wind-Propelled Apparatus”, the first U.S. patent for the Windsurfer sailboard: a surf-board with a sail on a mast articulated by a universal joint to the board. The rider can thus hold the boom and adjust the angle of the sail to control acceleration, turning and tacking, without need of a rudder or steering mechanism. Windsurfing Windsurfing, as…
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biology
Richard Dawkins and the Selfish Gene

Richard Dawkins and the Selfish Gene

Tabea Tietz
On March 26, 1941, English ethologist, evolutionary biologist and author Richard Dawkins was born. Dawkins first came to prominence with his 1976 book The Selfish Gene, which popularised the gene-centred view of evolution and introduced the term meme. With his book The Extended Phenotype (1982), he introduced into evolutionary biology the influential concept that the phenotypic effects of a gene are not necessarily limited to an organism’s body, but can stretch far into the…
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explorer
The Expeditions of John Wesley Powell

The Expeditions of John Wesley Powell

Tabea Tietz
On March 24, 1834, American geologist and ethnologist John Wesley Powell was born. He published the first classification of American Indian languages and was the first director of the U.S. Bureau of Ethnology. He is famous for the 1869 Powell Geographic Expedition, a three-month river trip down the Green and Colorado rivers, including the first known passage through the Grand Canyon. “Economy in speech is the force by which its development has…
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medical science
Nathan Kline – A Pioneer of Psychopharmacological Drugs

Nathan Kline – A Pioneer of Psychopharmacological Drugs

Tabea Tietz
On March 22, 1916, American psychologist Nathan Schellenberg Kline was born. Kline is best known for his work with psychopharmacologic drugs. He pioneered in the biochemical treatment of mentally ill patients by introducing the use of such drugs as the antidepressants lithium and iproniazid and the tranquilizer resperin. “Those of us who work in this field see a developing potential for a nearly total control of human emotional status, mental functioning, and will to act. These…
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