Prof. Eduard Rudolph Rhein (23 August 1900, Königswinter – 15 April 1993, Cannes) was an inventor, publisher, and author. He was the founder of the German magazine "Hörzu", which he directed as its editor-in-chief until 1964. He also founded the largest European foundation for information technology, the Eduard Rhein Foundation (1976).
In 1940 he published his book "Du und die Elektrizität"
In 1990 he received the freedom of the city Königswinter.