A date in history of medicine, science, environmental study, space exploration of benefit to our knowledge of earth and life sciences of interest.
On April 17, 1899, English entomologist Sir Vincent Brian Wigglesworth was born. He created a new science – the study of insect physiology – and researched extensively into the role of hormones in insect growth, metamorphosis, and reproduction. Wigglesworth detailed many physical mechanisms and…
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 April 15, 1452, Leonardo da Vinci was born. Without formal education, he recorded much of his interest in every facet of life and study. He was an observational scientist who tried to understand something by illustrating and describing it, taking joy in quiet,…
On March 14, 1854, German physician, biochemist and bacteriologist Dr. Paul Ehrlich was born. German universities teemed with brilliant doctor-scientist-researchers during Ehrlich’s time. He began as an assistant to bacteriologist Dr. Robert Koch, one of the founders of microbiology, who was only 10 years…
On March 13, 1941, American biophysicist and environmentalist Donella (Dana) Meadows was born. She was a professor of environmental studies at Dartmouth College, New Hampshire. Meadows regarded sustainability as something experienced through living it, an ability she saw in humankind to meet the needs…
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 March 7, 1974, Swiss molecular biologist Martin Oeggerli was born. Although he was 26 when he received his first digital camera and enjoyed the clarity of its close-up detail, Oeggerli came to prefer the images available to him from the Scanning Electron Microscope.…
On March 5, 1512, Gerhard Mercator was born in Flanders. He received as fine an education as he could from church tutors and used this formal education and his selection of master craftsmen to work with to become a cross-discipline 16th century businessman –…
On March 4, 1901, Dr. Wilbur Rounding Franks was born. This Canadian scientist and cancer researcher developed anti-gravity devices in the 1940s with his colleagues at the Banting and Best Medical Research Institute at the University of Toronto. The first devices Dr. Franks developed…
On March 1, 1872, U.S. President Ulysses S. Grant declared Yellowstone a National Park. Located principally in what is today Wyoming, Yellowstone was not explored until late in the 19th century. By that time, geologists and naturalists were able to help bring to the…