John Bradfield (engineer)

John Jacob Crew Bradfield
J. J. C. Bradfield
Born	26 December 1867 Brisbane, Queensland
Died	23 September 1943 Sydney
Nationality	Australian
Fields	Engineering
Institutions	Queensland Railways Department New South Wales Department of Public Works
Alma mater	University of Sydney (B.Eng.) (M.Eng.) (D.Sc.)
Known for	Sydney Harbour Bridge
Notable awards	Companion of St Michael and St George Peter Nicol Russell Memorial Medal Telford Medal

Dr. John Jacob "Job" Crew Bradfield CMG (26 December 1867 – 23 September 1943) was a prominent Australian engineer who is best known for his work overseeing the design and building of the Sydney Harbour Bridge.

Bradfield was born in Sandgate, Queensland, the youngest son of John Edward Bradfield (1823/4 – 1902) and Maria Crew (1828–1917).

He married Edith Jenkins, daughter of John Ventris Jenkins, in Brisbane on 28 May 1891. They had one daughter Mary Margaret (1892–1984) and five sons: Edward (born 1893), Anthony Bailey (1895–1974), Alan (1903), Stanley George (1906–1951), and Keith Noel Everal (1910–2006).Keith (known as Bill) Bradfield, an engineer with the Department of Civil Aviation, was responsible for changes to Alexandra Canal adjacent to Sydney Airport allowing the airport to expand between 1947 and 1970.

Bradfield died in Sydney on 23 September 1943. His wife Edith died in Sydney in 1954.

He received his early education in Ipswich, Queensland where he attended Ipswich North State School [1] and Ipswich Grammar School. He then completed a Bachelor of Engineering in 1889 and then a Master of Engineering in 1896 from University of Sydney, where he was a resident of St. Andrew's College. He was a member of the Queenslanders' Association in Sydney. In 1924 Bradfield received the first doctor of science in engineering at the University of Sydney for his thesis on electric railways and the Sydney Harbour Bridge.