John Wyrill Christian FRS[1] (9 April 1926 – 27 February 2001)[2] was a British metallurgist.
Christian is worldwide recognized for his contribution on the foundation of modern understanding on Martensitic transformation.
[3] John graduated from Queen's College, Oxford.
He later on became a research student in the laboratory of Dr. William Hume-Rothery, the founder of Oxford's metallurgy department.
He received his doctorate in 1949 and became a university lecturer in 1955, a reader in 1958, fellow of St Edmund Hall, Oxford in 1963, and professor of physical metallurgy in 1963.