Isaac Azimov

His diligence amazes: he has written almost 500 books, among which popular scientific and fantastic, detectives and historical researches and humour, guidebooks under the Bible and Shakespeare.

He wrote for all known kinds of the periodical press.
The magazine " Fantasy and Science Fiction" monthly published his articles about advanced achievements of a science for a 33 years!. Five years he conducted a weekly scientific column for Los Angeles Times Syndycate.