Hans von Gersdorff was a surgeon who published a general guide of procedures. His work was known as Feldbuch der Wundarzney ( Field Book of Surgery ) . Published in 1517 it provided both written text and detailed wood cuts. During this period surgery was still in a phase of being experimental. France and Germany […]Read more "The Depiction of Proper Amputation From Feldbuch der Wundarzney (1517)"
When space exploration is discussed, most of the public focuses on the astronauts. It should be remembered that mathematicians and aeronautical engineers make space travel possible rather than science fiction. Annie J. Easley (1933-2011) was a NASA mathematician and computer scientist who worked there in 1955 to 1989 . This photograph shows her working in […]Read more "Annie J. Easley NASA Computer Scientist and Mathematician"
Johannes Hevelius published the book Selenographia. Released in 1647 it was the first lunar atlas. The Polish astronomer produced a valuable tool for astronomy. Selenographia had a large amount of engravings and drawn images which listed surface structures of the moon. The text had a glossary had a list of 275 different surface structures. The image from […]Read more "Selenographia Lunar Map( 1647)"
This image is archived at the British Library. Surgical procedures were a painful and dangerous affair prior to antibiotics and anesthesia. The medical illustration shows a surgeon removing hemorrhoids from a patient. Hemorrhoids are veins that become inflamed in the anus or rectum. They can be either internal or external. The surgeon had to have […]Read more "Medieval Surgery For Hemorrhoids (1200)"
Micheal Joseph Owens was responsible for developing machines that could produce glass bottles faster than by a person doing glassblowing . This photograph was taken in 1910 of one of Owens’ machines. Owens was a self-taught engineer and inventor who revolutionized the glass production industry. Glassblowers had a long and often tedious task of production. […]Read more "Micheal Joseph Owens’ Bottling Machine (1910)"
The Rhind Papyrus was produced in 1650 B.C.E and is an example of Ancient Egyptian text on the subject of mathematics. It has multiple sections discussing geometry, early algebra, and fractions. The most successful civilizations were ones that were able to master the arts and sciences in the ancient world. The actual name of this […]Read more "Rhind Papyrus (1650 B.C.E)"
This visual aid was used to let doctors know which areas to do bloodletting. This medical chart is thought to be from between the years 1310 or 1320. Bloodletting was a practice in medicine as a method to cure disease or prevent it by withdrawing a portion of blood from the body . As modern […]Read more "Bloodletting Chart (1310-1320)"