David Roger Oldroyd (20 January 1936, Luton – 7 November 2014, Sydney) was an English-Australian historian of the geological sciences.
[3] In 1958 he became, in Harrow, London, a school teacher and, in a ceremony in Stroud, married Jane Dawes.
[1] In 1969 David and Jane Oldroyd moved to Australia, where he found employment teaching[2] in the School of History and Philosophy of Science at the University of New South Wales (UNSW).
There he received a Ph.D. for his dissertation From Paracelsus to Haüy: The Development of Mineralogy in Relation to Chemistry.
[4] His best known book might be The Highlands controversy: constructing geological knowledge through fieldwork in nineteenth-century Britain.