Charles Ruthven Bickerton Blackburn (7 May 1913 – 12 April 2016) was an Australian physician who was a professor of medicine at the University of Sydney.Portrait of Lieutenant Colonel Ruthven Blackburn by Nora Heysen, September 1945, www.awm.gov.auProfessor Ruthven Blackburn - a life spent in service of medicine and his country, 27 May 2016, Sydnet Morning Herald.

The son of Sir Charles Bickerton Blackburn (22 April 1874 – 20 July 1972), an Australian university chancellor and physician, during World War II Ruthven Blackburn was Commanding and Senior Physician of the Land Headquarters Medical Research Unit (LHQ, 1MRU), Australian Army Medical Corps (AAMC).

In 1940, he married Eleanor Freeman (1916–1967);Keith Garland, ancestry.com.au they had two daughters, Susan Ann and Sandra. In 1968, he married colleague and asthma researcher Ann Woolcock (1937–2001). The couple raised two sons, Simon and Angus.

In 2006, he was appointed a Companion of the Order of Australia (AC) in recognition of his service to the development of academic medicine and medical education in Australia.

Blackburn died on 12 April 2016, aged 102.Death Notice, 13 April 2016, The Sydney Morning Herald.

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