Portuguese David R. Oldroyd Cited by user Ana V.arion on 27 Dec 2022 David Roger Oldroyd ( Luton, 20 de janeiro de 1936 – Sydney, 7 de novembro de 2014) foi um historiador e geólogo anglo-australiano.
English David R. Oldroyd Cited by user Suslindisambiguator on 10 Dec 2022 David Roger Oldroyd (20 January 1936, Luton, UK – 7 November 2014, Sydney, Australia) was an English-Australian historian of the geological sciences.