First treatise on biophysics

Adolf Fick, a German physicist, published a treatise on biophysics entitled Die medizinische Physik (Medical Physics), its contents detailed the discussion of the fundamental laws governing diffusion and osmosis in living tissues. Continue reading

Serfs in Europe

A law promulgated by the Roman Emperor Constantine the Great in 332 CE required serfs to remain on the land and to submit to the demands of the lord and his agents. Continue reading

First dog show

At Newcastle upon Tyne, England, on June 28-29, 1859, two local sportsmen (the organizers) held a dog show, which only showcased hunting dog breeds. Continue reading

Jean-Baptiste Constant Moens

Moens began collecting stamps from his family's mail as a boy in Tournai. He was the son of Colette Blangenois and Phillipe Moens, a soldier. Continue reading

Machine for printing wallpaper

Christophe-Philippe Oberkampf, a Frenchman, invented a machine for printing wallpaper in 1785. Continue reading

Permanent wireless installation

The Telegraph and Signal Company, Ltd., in November 1897 at The Needles on the Isle of Wight, Great Britain, constructed the first permanent wireless installation, under the direction of Guglielmo Marconi. Continue reading

Treatise on dental anatomy

The Libellus de dentibus (Pamphlet on the Teeth) was the first treatise on dental anatomy, published by the Italian anatomist Bartolomeo Eustachi, in 1563. Continue reading

A woman to compete in both the Summer and Winter Olympic Games

Connie Carpenter Phinney, an an American, competed as a speed skater in the 1972 Winter Games in Sapporo, Japan and also competed in the women’s individual bicycling road race event and won in the 1984 Summer Games, held in Los Angeles, CA, USA. Continue reading

The first observation of chromosomes in the nucleus of a cell

The German anatomist Wilhelm von Waldeyer-Hartz, who also named them, made an observation of chromosomes in the nucleus of a cell in 1888. Continue reading

Abu Bakr Muhammad ibn Zakariya al-Razi

Abū Bakr Muhammad ibn Zakariyyā al-Rāzī (ابوبكر محمّد زکرياى رازى‬ Abūbakr Mohammad-e Zakariyyā-ye Rāzī, also known by his Latinized name Rhazes or Rasis) (854–925 CE), was a Persian polymath, physician, alchemist, philosopher, and important figure in the history of medicine. Continue reading