Timeline of United States inventions (1890–1945) of these fibers for textile applications is more recent. The first commercial production of fiberglass was in 1936. In 1938, fiberglass was invented by Russell Games Slayter of Owens-Corning. 1938 Xerography Xerography, which means "dry writing" in Greek, is a process of making copies. Xerography makes copies without using ink. In this process, static electricity charges a lighted plate; a plastic powder is applied to the areas of the page to remain white. The photocopier was invented in 1938 by Chester Floyd Carlson who marketed his revolutionary device to about 20 companies before he could interest any. The Haloid Company,
Cremation in the Christian World is obvious in the relation of cremation. Cremation is somewhat more common in the Protestant parts of Germany, compared with the Catholic parts. In Nazi Germany, Heinrich Himmler invented a "nazi-funeral ceremony", which ended with cremation. This was used for instance at the State funeral of Field Marshall Erwin Rommel (who had been forced to take his own life, as it was revealed after the war). Protestant Churches approved cremation gradually after the First World War and the Spanish Flu. During the time between the world wars, the development of modern crematoriums also helped to differentiate Christian cremations from Pagan