On October 22, 1896, American biochemist and nutrition researcher, Charles Glen King was born. For about 200 years, limes and lemons and a few certain other foods were known to be effective in preventing and treating scurvy, a nutritional deficiency disease that, untreated, leads…
On October 18, 1616, English botanist and herbalist physician Nicholas Culpeper was born. Receiving early lessons in Latin and Greek, he read widely in his grandfather’s library. He learned about the application of medical plants from his grandmother. Culpeper attended Cambridge but discovered sports…
On October 9, 1876, the first two-way telephone conversation took place by wire, without the assistance of intermediary telephone operators, between Alexander Bell, a professor of vocal physiology at Boston University, and his assistant Thomas Watson, carpenter, machinist, and electric model maker. They spoke…
On September 13, 1851, American army physician Walter Reed was born. After completing his medical education and internship, He entered the U S Army Medical Corps. For almost two decades he practiced medicine while serving at frontier army stations. When he returned east, he…
On September 1, 1854, American scientific illustrator, conservationist, and educator Anna Botsford Comstock was born. She mastered wood engraving to illustrate articles on insects written by her husband, John Henry Comstock, an entomologist who taught at Cornell. She illustrated many books, some of which…
On April 23, 1775, Joseph Mallord William Turner was born. English landscape painter and skilled architectural draughtsman, he produced sketches and paintings that capture historical images of landscapes, seascapes, and cityscapes. Attracted to qualities of light, Turner studied its effects on the subjects of…
On April 16, 1682, English mathematician and instrument maker John Hadley was born. He developed precision mirrors to improve the accuracy and power of the reflecting telescope. Until Hadley, telescopes used mirrors that were spherical in shape. These were often blurry and/or distorted the…
On March 8, 1712, English physician and naturalist John Fothergill was born. At the University of Edinburgh, Fothergill moved from studying to become an apothecary to studying medicine, graduating as a doctor. After being licensed to practice in London, he distinguished himself during city…
On January 6, 1838, Samuel Morse gave the first public demonstration of the electric telegraph at New Jersey’s Speedwell Iron Works. The message, “a patient waiter is no loser”, tapped in code along two miles of cotton-covered wire, capped one of the most important…
On September 22, 1877, American zoologist Victor Ernest Shelford was born. He studied animal communities and correlations between changes in environment and the changes in animal populations. Looking at rivers, lakes, and forests in his first book, Animal Communities in Temperate America, Shelford outlined…
