Ronald John Johnston, OBE, FAcSS, FBA 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. 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. Johnston authored or co-authored more than 50 books and 800 papers, and edited or co-edited a further more than 40 books. He edited The Dictionary of Human Geography and for the first four editions was its main editor.

Sir Ivor Martin Crewe DL FAcSS was until 2020 the Master of University College, Oxford, and President of the Academy of Social Sciences. He was previously Vice-Chancellor of the University of Essex and also a Professor in the Department of Government at Essex.