Galen

Aelius Galenus or Claudius Galenus (Greek: Κλαύδιος Γαληνός; September 129 AD – c. 200/c. 216), often Anglicized as Galen and better known as Galen of Pergamon (/ˈɡeɪlən/), was a Greek physician, surgeon and philosopher in the Roman Empire. Continue reading

Invention of Cold cream

The influential physician Galen of Pergamon (now Bergama, Turkey), invented Cold cream, circa 180 CE, by mixing water, beeswax, and olive oil into a face cream that was effective in cooling and softening the skin at same time. Continue reading

Leonardo da Vinci

Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography. Continue reading

Mechanical ventilating fan, Reinvented by Leonardo da Vinci

Mechanical ventilating fan was invented in China circa 180 CE. Continue reading