Tag: Science
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The wife of Antoine Lavoisier
Born in 1758 and described as beautiful and intellectually curious, Marie-Anne Pierrette Paulze became the wife of the famous chemist and scientist Antoine Lavoisier, acting as his laboratory assistant and contributing to his work. After her husband’s execution during the French Revolution, she assembled and published his papers and remarried in 1804. She lived until…
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“Loathsome Beasts: Images of reptiles and amphibians in art and science”
The history of how reptiles and amphibians have been represented throughout history has been well covered by Professor Kay Etheridge of Gettysburg College in a learned article in 2007. She starts off by reminding her readers that “loathsome beasts” have received less attention than higher vertebrates, largely as they are not useful for food, sport,…
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Albert Einstein headed off at the “Nobel pass” by Alvar Gullstrand
Jayant RadhakrishnanDarien, Illinois, United States Allvar Gullstrand was a brilliant ophthalmologist and the second of eleven surgeons who have received the Nobel Prize for Physiology or Medicine. He was awarded the prize in 1911 “for his work on the dioptrics of the eye.”1 A self-taught mathematician, he calculated the path of light through the layers…
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William Beaumont and Alexis St. Martin
The picturesque island of Mackinac lies three miles off the coast of Michigan, at the junction of Lakes Huron and Michigan. It is a favorite resort where tourists can admire old French-style buildings with tall slated roofs, ride in open carriages pulled by horses that know when to turn or stop, and stay at the…
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Photography in medicine
Doctors adopted the idea of using photography in medicine within one year of its invention. In 1840 at the Charité Hospital in Paris, Alfred François Donné photographed sections of bones and teeth by making daguerreotypes through a microscope. Between from 1848 to 1858 the British psychiatrist Hugh Welch Diamond photographed patients in an asylum and…
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Improving the ophthalmoscope
Christian Georg Theodor Ruete (1810-1867) studied in Göttingen, Germany, and became full professor there in 1846 and in Leipzig from 1852 to 1867. He conducted extensive research on eye disorders and made modifications to the ophthalmoscope that Hermann von Helmholtz had invented in 1851, adding a concave focusing mirror that allowed a better view of…
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Litmus paper and other pH indicators
To many a physician the word litmus brings back unpleasant memories from medical school, something to do with Bunsen burners, incomprehensible lectures on acid-base balance, or experiments going wrong and exploding in the chemistry lab. Litmus itself is a mixture of organic substances obtained from lichens and used as an acid-base indicator—even in nature, such…
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The illness of Tom Wedgwood: A tragic episode in a family saga
John Hayman Melbourne, Australia Tom Wedgwood (1771-1805) was born into the famous pottery dynasty as the third surviving son of Josiah Wedgwood (1730-1795) and his wife Sarah (1734-1815). Sarah was also a Wedgwood, a distant cousin of her husband.1 Tom was ill for all of his short life, a life recorded by his biographer, Richard…