In 1855, Heinrich Geissler was awarded a gold medal by the Exposition Universelle (World Exhibition) in Paris due to his excellent work on fine glass - including what would eventually be known as the cathode ray tube.Let’s break down the history of CRT, how it works, and its historical significance below.įerdinand Braun, Inventor of the cathode ray tube. While this tech is not as prevalent today as it was years ago, CRT tech still exists today and is well worth discussing. While liquid crystal displays ( LCD), organic light-emitting diodes ( OLED), and plasma screens dominate the industry in the 21st century, cathode ray tube (CRT) display technology is what used to be king. Modern-day display technologies continue to improve with each passing year, but throughout the mid-1900s, they didn’t really move an inch. They were implemented in everything from computers to ATMs to arcade games to video cameras to radars and everything in between. At the time of its invention, the cathode ray tube was widely considered to be the most complicated and advanced piece of consumer technology ever made.

Karl Ferdinand Braun received the Nobel Prize for Physics in 1909 - an honor he shared with Guglielmo Marconi, who developed wireless telegraphy.In 1897, the German physicist, Ferdinand Braun, invented the Cathode Ray Tube, building on technology developed by several other inventors.

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