Search Results: John ray

The discovery of X-rays – a form of invisible radiation that can pass through objects, including human tissue – revolutionised science and medicine in the late 19th century. Wilhelm Conrad Röntgen (1845-1923), a German scientist, discovered...

In the canon of the New Testament, the fourth gospel of John is uniquely different from the other three, known as the Synoptics ("seen together"). Mark, Matthew, and Luke have parallel ministries and methods of relating the story of Jesus...

John the Baptist (d. c. 30 CE) was a 1st-century CE itinerant preacher in Judea. We do not know his full name, but he is recognized by his activity. 'Baptizer' (Greek: baptizo) was translated directly into English and meant 'to immerse' or...

John I Tzimiskes was Byzantine emperor from 969 to 976 CE. Although he took the throne by murdering his predecessor Nikephoros II Phokas, John was a popular emperor. A skilled general and a competent politician, he is known for expanding...

X-rays were discovered in 1895 by German scientist Wilhelm Conrad Röntgen (1845-1923). This is an early X-ray, taken in 1897, of a 30-year-old woman who was fully dressed when the X-ray was taken. Image from p.180 of The American X-ray Journal...

John Lee joins World History Encyclopedia to tell us all about his new book, The First Black Archaeologist: A Life of John Wesley Gilbert. Kelly (WHE): Thank you so much for joining me! Let us start by talking about what the book is about...

King John of England (aka John Lackland) ruled from 1199 to 1216 CE and he has gone down in history as one of the very worst of English kings, both for his character and his failures. He lost the Angevin-Plantagenet lands in France and so...

Two men taking an X-ray with an early Crookes tube apparatus from the late 1800s. Illustration from The X-ray, or Photography of the Invisible and its Value in Surgery by William J. Morton and Edwin W. Hammer. American Technical Book Company...

The bones of a hand with a ring on one finger, viewed through x-ray. Photoprint from radiograph by W. K. Röntgen, 1895. Wellcome Collection.

Ray Stevenson as the English pirate Blackbeard, aka Edward Teach (d. 1718) in the TV series Black Sails. © 2014 Starz