On April 19, 1795, German naturalist, zoologist, comparative anatomist, geologist, and microscopist Christian Gottfried Ehrenberg was born. Ehrenberg was one of the most famous and productive scientists of his time. He has been called the founder of micropaleontology (the study of fossil microorganisms). He held that animals, of any size down to the tiniest, have organ systems in common, including muscles, reproductive organs, and stomachs. Christian Gottfried Ehrenberg – Early Years Christian Gottfried Ehrenberg…
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On April 15, 1801, French geologist and paleontologist Édouard Lartet was born. Lartet was a pioneer of Paleolithic archaeology, who is chiefly credited with discovering man’s earliest art and with establishing a date for the Upper Paleolithic Period of the Stone Age. His most striking discovery was a mammoth tooth, found in a cave, upon which was a drawing of a mammoth. This was clear proof that man lived at the same time as…
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On April 10, 1766, Scottish mathematician and physicist Sir John Leslie was born. Leslie is best remembered for his research into heat. He gave the first modern account of capillary action in 1802 and froze water using an air-pump in 1810, the first artificial production of ice. “The true business of the philosopher, though not flattering to his vanity, is merely to ascertain, arrange and condense the facts. “ — Sir John…
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On March 21, 1884, American mathematician George David Birkhoff was born. Birkhoff is best known for what is now called the ergodic theorem. Birkhoff was one of the most important leaders in American mathematics in his generation, and during his time he was considered by many to be the preeminent American mathematician. “The transcendent importance of love and good-will in all human relationships is shown by their mighty beneficent effect upon the…
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On March 10, 1628, Italian biologist and physician Marcello Malpighi was born. Malpighi is referred to as the “Father of microscopical anatomy, histology, physiology and embryology“. In developing experimental methods to study living things, Malpighi founded the science of microscopic anatomy. After Malpighi‘s researches, microscopic anatomy became a prerequisite for advances in the fields of physiology, embryology, and practical medicine. Youth and Education Marcello Malpighi was born at Crevalcore near Bologna, Italy,…
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On March 1, 1611, English mathematician John Pell was born. Pell introduced the division sign (obelus, ÷) into England. The obelus was first used by Johann Rahn (1622-1676) in 1659 in Teutsche Algebra. Rahn’s book was interpreted into English and published, with additions made by John Pell. John Pell – Early Years Pell was born in Southwick in Sussex, where his father of the same name, John Pell, was pastor and rector; his…
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1 Name and Address of the Controller Controller for the purposes of the General Data Protection Regulation (GDPR), other data protection laws applicable in member states of the European Union, and other provisions related to data protection is: yovisto GmbH August-Bebel-Str. 26-53 14467 Potsdam Germany Tel.: ++49 - 331 - 281 298 48 E-Mail: info@yovisto.com Webseite: http://yovisto.com/ 2 Name and Address of the Data Protection Officer The data protection officer of the…
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On February 16, 1843, American machinist, inventor, engineer and automotive entrepreneur Henry Martyn Leland was born. Leland founded Cadillac Motors (22 Aug 1902) to build the Cadillac, the first automobile with high-precision, fully-interchangable parts. During WW I, he formed a new company to manufactured aircraft engines, which after the war he produced a new automobile: the Lincoln. “Mr. Sloan, Cadillacs are made to run, not just to sell.”, Henry Martin Leland, cited in…
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On February 1, 1888, English archaeologist Gertrude Caton Thompson was born. Thompson was an influential archaeologist at a time when participation by women in the discipline was rather uncommon working primarily in Egypt. She was able to distinguish two prehistoric cultures in the Al-Fayyum depression of Upper Egypt, the older dating to about 5000 BC and the younger to about 4500 BC. Archaeology with Flinders Petrie Gertrude Thompson traveled to Egypt with her…
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On January 27, 1888, Swiss-Norwegian geochemist, mineralogist and petrologist Victor Moritz Goldschmidt was born. Goldschmidt is considered (together with Vladimir Vernadsky) to be the founder of modern geochemistry and crystal chemistry, as well as the developer of the Goldschmidt Classification of elements. “Every beginning is hard. At most stopping is sometimes even harder.” – Victor Moritz Goldschmidt, as quoted in [9] Victor Moritz Goldschmidt’s Early Years Goldschmidt was born in Zürich, Switzerland,…
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