Doubling the age and size of the universe at the IAU in Rome in 1952: Contributions by David Thackeray, Walter Baade and Harlow Shapley

Most read articles by the same author(s)

• Gaokgatlhe M. Tawane, J. Francis Thackeray, The cranium of Sts 5 ('Mrs Ples') in relation to sexual dimorphism of Australopithecus africanus , South African Journal of Science: Vol. 114 No. 1/2 (2018)
• Jan C.A. Boeyens, J. Francis Thackeray, Number theory and the unity of science , South African Journal of Science: Vol. 110 No. 11/12 (2014)
• Dominic Stratford, Laurent Bruxelles, J. Francis Thackeray, Travis R. Pickering, Sophie Verheyden, Comments on ‘U-Pb dated flowstones restrict South African early hominin record to dry climate phases’ (Pickering et al. Nature 2018;565:226–229) , South African Journal of Science: Vol. 116 No. 3/4 (2020)
• Julien Benoit, J. Francis Thackeray, A cladistic analysis of Graecopithecus , South African Journal of Science: Vol. 113 No. 11/12 (2017)
• J. Francis Thackeray, The Piltdown case: Further questions , South African Journal of Science: Vol. 112 No. 9/10 (2016)
• J. Francis Thackeray, Estimating the age and affinities of Homo naledi , South African Journal of Science: Vol. 111 No. 11/12 (2015)
• J. Francis Thackeray, Do specimens attributed to Lystrosaurus murrayi and L. declivis (Triassic Therapsida) represent one species? , South African Journal of Science: Vol. 114 No. 3/4 (2018)
• J. Francis Thackeray, Shakespeare, plants, and chemical analysis of early 17th century clay ‘tobacco’ pipes from Europe , South African Journal of Science: Vol. 111 No. 7/8 (2015)
• J. Francis Thackeray, Alpha and sigma taxonomy of Lystrosaurus murrayi and L. declivis, Triassic dicynodonts (Therapsida) from the Karoo Basin, South Africa , South African Journal of Science: Vol. 115 No. 3/4 (2019)
• J. Francis Thackeray, Caitlin M. Schrein, A probabilistic definition of a species, fuzzy boundaries and ‘sigma taxonomy’ , South African Journal of Science: Vol. 113 No. 5/6 (2017)