Scientologists are probably aware that Hubbards first article on Dianetics appeared in the May 1950 issue.
ASF’s leadership in the scifi field went unchallenged until the publication of The Magazine of Fantasy and Science Fiction in 1949 and Galaxy Science Fiction in 1950.  Its title changed to Analog Science Fact and Science Fiction in 1960, ASF’s distribution was improved when the magazine was taken over by the international publisher Condé Nast in 1962.  The continued quality of ASF was underscored by Hugos in 1961, 1962, 1964 and 1965, and maintained a circulation above 100,000 ­ nearly double that of its closest competitor.  Under Condé Nast’s editorship and high production values, Frank Herbert’s first two Dune novels appeared ­ Dune World (Dec 1963-Feb