Robert Francis Churchhouse CBE (30 December 1927 – 27 August 2018) was professor emeritus of computing mathematics at Cardiff University and Past President of the Institute of Mathematics and its Applications.
Born into a Roman Catholic family, the son of Robert and Agnes Churchhouse in Higher Blackley, Manchester, beginning his education at St Clare's RC Primary School, he then attended St Bede's College, Manchester from 1939 to 1946, before studying at Manchester University, where he was taught by both Max Newman and Alan Turing. His specialism was Number Theory.
Following graduation in 1949 he worked at the Government Communications Headquarters before becoming an academic, first at the Atlas Computer Laboratory at Harwell and then in a newly created chair at Cardiff.
- Churchhouse, Robert (2002), Codes and Ciphers: Julius Caesar, the Enigma and the Internet, Cambridge: Cambridge University Press, ISBN 978-0-521-00890-7
- Professor R F Churchhouse
- "Robert Churchhouse obituary". Thetimes.co.uk. 15 October 2018. Retrieved 15 October 2018. (subscription required)
- "Churchhouse, Prof. Robert Francis, (30 Dec. 1927–27 Aug. 2018), Professor of Computing Mathematics, University of Wales, College of Cardiff (formerly University College, Cardiff), 1971–95". WHO'S WHO & WHO WAS WHO. doi:10.1093/ww/9780199540884.013.U10928. Retrieved 15 October 2018. (subscription required)