Born in Vancouver, British Columbia, Canada, the son of William Meldrum McKenzie and Frances Chapman, he was educated at King EdwardHigh School and the University of British Columbia from which he graduated with a BA. He was a lecturer at the same university from 1937 to 1942. In 1943, he joined the Canadian Army and a year later, with the rank of captain, was sent to London where he remained for the rest of his working life. Leaving the services three years later, McKenzie enrolled at the London School of Economics to study for a doctorate. In 1949, he was given a sociology lectureship, and was promoted to professor in 1964.
Television
He was widely known in the UK for his televised reports on general election results as they were announced on the BBC. He is popularly associated with the swingometer device used in such broadcasts. The swingometer was first introduced in 1955 by Peter Milne, and was later refined by McKenzie and David Butler and used nationally in the 1959 General election for the BBC. At first Butler used the meter, but in 1964 McKenzie enthusiastically took over. He appeared on all BBC election nights from 1955 to 1979, and was later replaced by Peter Snow in 1983 due to McKenzie's death in 1981. Additionally, he introduced and moderated the discussions in each episode of Milton Friedman's 1980 television seriesFree to Choose. McKenzie also famously interviewed Lord Hailsham on the BBC programme Gallery in 1963, asking questions on the then recent scandal involving Conservative cabinet ministerJohn Profumo. Hailsham became increasingly fractious as the interview progressed regarding McKenzie's line of questioning, even though Hailsham was strongly critical of Profumo's conduct.
Other work
He wrote many academic books and papers during his career, including British Political Parties: The Distribution of Power within the Conservative and Labour Parties and Angels in Marble: Working Class Conservatives in Urban England, but it was through television and radio that his name became known. His broadcasting career began when he was requested by the BBC to give occasional talks on the Overseas Service; he was later invited to become involved in dramatic radio and TV, such as appearing as himself on an episode of the British series Yes Minister.
Death
McKenzie died from cancer in 1981.
Publications
British Political Parties : The Distribution of Power Within the Conservative and Labour Parties, 1955; 2nd ed., 1963.
Angels in Marble: Working Class Conservativism in Urban England, 1968.
