Pub by The Alpine Club of Canada, Canmore, Alberta, External links Richard K. Guy author profile on MathSciNet Personal web page 1916 births 2020 deaths 20th-century English mathematicians 21st-century English mathematicians Academics of the University of London Alumni of Gonville and Caius College, Cambridge Chess composers Combinatorial game theorists English centenarians Academic staff of IIT Delhi Mathematics popularizers Men centenarians Academic staff of the National University of Singapore Number theorists People from Nuneaton Recreational mathematicians Royal Air Force personnel of World War II University of Calgary faculty English expatriates in Canada English expatriates in Singapore Royal Air Force officers