In the first half of the century, there were few scientists who wrote regularly for the daily newspapers, and few newspapers that had science columnists. James Gerald Crowther, a journalist writing for the Manchester Guardian, was one of the first professional science columnists.
Howard Coster (1885–1959), portrait of James Gerald Crowther (1899–1973), half-plate film negative, 1936; source: © National Portrait Gallery, London, http://www.npg.org.uk/collections/search/portraitLarge/mw44509/James-Gerald-Crowther.