History of the Encyclopædia Britannica the criteria by which the articles were sorted were not obvious even to scholars, despite Dr. Adler's claims that the sorting followed naturally from the "Propædia's" outline of all knowledge. In 1985, the "Britannica" responded to reader requests by restoring the index as a two-volume set. The number of topics indexed by the "Britannica" has fluctuated from 500,000 (1985, the same as in 1954) to 400,000 (1989,1991) to 700,000 in the current 2007 print version. Presumably, this recent increase reflects the introduction of efficient electronic indexing, since the size of the encyclopedia has remained nearly constant at approximately 40 million
History of the Encyclopædia Britannica invested by Julius Rosenwald of Sears, Roebuck and Company. It was very different from the 11th edition, having fewer volumes and simpler articles, continuing the business strategy of popularizing the "Britannica" for the American mass market at the expense of its scholarship. The 14th edition also drew criticism for deleting information unflattering to the Roman Catholic Church. Nevertheless, the 14th also included many illustrious contributors, including eighteen Nobel laureates in science, such as Robert Millikan, Albert Abraham Michelson and Arthur Compton. More coverage was given to popular entertainment, with Gene Tunney writing on boxing, Lillian Gish on acting and Irene