Ronald John Johnston, OBE, FAcSS, FBA (March 30, 1941 – May 29, 2020) was a British geographer, known for elaborating his discipline's foundations, particularly its history and nature, and for his contributions to urban social geography and electoral geography.[1][2] His broad scope is illustrated by the fact that he made extensive use of quantitative methods, while critically dealing with subjects of social and political relevance.[2] Johnston authored or co-authored more than 50 books and 800 papers, and edited or co-edited a further more than 40 books (if translated and revised editions are counted separately).[3][4] He edited The Dictionary of Human Geography and for the first four editions was its main editor.