Netherlands

George Uhlenbeck and the Electron Spin

George Uhlenbeck and the Electron Spin

On December 6, 1900, Dutch-American theoretical physicist George Eugene Uhlenbeck was born. Together with with Samuel A. Goudsmit, Uhlenbeck proposed the concept of electron spin (Jan 1925) – a fourth quantum number which was a half integer. Early Life George Uhlenbeck was the son of Eugenius Uhlenbeck, who served in the Dutch East Indian Army, and Anne Beeger Uhlenbeck, the daughter of a Dutch major general. He attended the Hogere Burgerschool (High…
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Abel Tasman and the Discovery of Tasmania

Abel Tasman and the Discovery of Tasmania

On November 24, 1642, Dutch seafarer, explorer, and merchant Abel Tasman sighted the west coast of Tasmania, north of Macquarie Harbour. He named his discovery Van Diemen’s Land after Antonio van Diemen, Governor-General of the Dutch East Indies. Service in the Dutch East India Company Abel Tasman was born in 1603 in Lutjegast in what is now the province of Groningen, the Netherlands. He received a sufficient education to enable him to express…
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Cornelis Drebbel and the first navigatable Submarine

Cornelis Drebbel and the first navigatable Submarine

On November 7, 1633, Dutch innovator and inventor Cornelis Jacobszoon Drebbel passed away. Drebbel contributed to the development of measurement and control systems, optics and chemistry, but he is best known for having built the first navigatable submarine in 1620. A Skilled Engraver Cornelis Drebbel was born in Alkmaar, Holland in 1572. After some years at the Latin school in Alkmaar, around 1587, he attended the Academy in Haarlem, also located in…
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Christophorus Buys Ballot and the Weather Systems

Christophorus Buys Ballot and the Weather Systems

On October 10, 1837, Dutch chemist and meteorologist Christophorus Buys Ballot was born. Buys Ballot is the namesake for Buys Ballot’s law and the Buys Ballot table. Buys Ballot showed that northern hemisphere winds circulate counter-clockwise around low pressure areas and clockwise around high pressure areas. Christophorus Buys Ballot – Youth and Education Christophorus Henricus Didericus Buys Ballot was the son of Anthony Jacobus Buys Ballot, pastor to Kloetinge and Geertruida Françoise Lix-Raaven, born in…
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Henry Hudson’s Voyages in North America

Henry Hudson’s Voyages in North America

On September 11, 1609, English sea explorer and navigator Henry Hudson after having reached the estuary of the river that carries his name today, followed the river upstream sailing along Manhattan Island. Hudson explored the region around modern New York metropolitan area while looking for a western route to Asia while in the employment of the Dutch East India Company. He explored the river which eventually was named for him, and laid…
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Regnier De Graaf – Creator of Experimental Physiology

Regnier De Graaf – Creator of Experimental Physiology

On July 30, 1641, Dutch physician and anatomist Regnier de Graaf was born. De Graaf made key discoveries in reproductive biology as e.g. he discovered the follicles of the ovary (known as Graafian follicles), in which the individual egg cells are formed (1672) and also published on male reproductive organs (1668). He was also important for his studies on pancreatic juice (1663) and on the reproductive organs of mammals. He is considered…
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Peter the Great and the Grand Embassy

Peter the Great and the Grand Embassy

On March 10, 1697, Russian Tsar Peter the Great began his diplomatic mission to Western Europe, referred to as the ‘Grand Embassy‘. The goal of this mission was to strengthen and broaden Russia‘s influence in Western Europe and to find allies against the Ottoman Empire. What makes the mission so special is that Peter the Great led the mission himself, but incognito under a wrong name. “Alas! I have civilized my own…
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Willem Johan Kolff and Artificial Organs

Willem Johan Kolff and Artificial Organs

On February 14, 1911, Dutch-American physician and biomedical engineer Willem Johan Kolff was born. Kolff is considered to be the Father of Artificial Organs, and is regarded as one of the most important physicians of the 20th century. He made his major discoveries in the field of dialysis for kidney failure during the Second World War. Education and first Research Willem Johan Kolff was born in Leiden, Netherlands, as the eldest of…
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Jan Swammerdam – Dutch Naturalist and Microscopist

Jan Swammerdam – Dutch Naturalist and Microscopist

On February 12, 1637, Dutch biologist and microscopist Jan Swammerdam was born. He was one of the first people to use the microscope in dissections, and his techniques remained useful for hundreds of years. Swammerdam’s work on insects demonstrated that the various phases during the life of an insect — egg, larva, pupa, and adult — are different forms of the same animal. In 1658, he was the first to observe and describe red…
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Eugene Dubois and the Discovery of the Java Man

Eugene Dubois and the Discovery of the Java Man

On January 28, 1858, Dutch paleoanthropologist and geologist Eugene Dubois was born. Dubois earned worldwide fame for his discovery of Pithecanthropus erectus (later redesignated Homo erectus), or Java Man. Although hominid fossils had been found and studied before, Dubois was the first anthropologist to embark upon a purposeful search for them. Eugene Dubois – Early Years Dubois was born in Eijsden, near Limburg, Netherlands, where his father, Jean Dubois, was an apothecary,…
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