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 Prof. Roy Maartens

Position: SKA/ SARChI Professor in Astronomy & Astrophysics
Department: Physics Programme
Faculty: Faculty of Natural Science
Qualifications: PhD (Cape Town)
Tel: 021 959 3693
Fax: 021 959 3474


 Roy Maartens is a cosmologist. His research focuses on answering fundamental questions about the Universe,
The ‘dark energy’ problem – why is the universe expanding faster and faster? The smoothness problem – is the
universe smooth on very large scales and how can we test this? The Einstein problem – when does the Newtonian
approximation break down in cosmology and how can we detect this? 
He obtained his BSc and Honours degrees in physics and applied maths from the University of Cape Town and
then won a Rhodes scholarship at Oxford University. He was awarded a PhD in cosmology by UCT in 1980, under
the supervision of George Ellis. From 1983 to 1994 he was a lecturer and then senior lecturer at the University of
the Witwatersrand. Between 1994 and 2010, he was at the University of Portsmouth in the UK. In the period 2002-
2010, he was the founding Director of the Institute of Cosmology & Gravitation at Portsmouth, which grew to
become one of the top cosmology groups in the UK. He was awarded a Senior Research Fellowship by the UK’s
Particle Physics & Astronomy Research Council during 2002-2005, and later served on the UK Particle
Astrophysics Advisory Board. 
He returned to South Africa in 2010. From 2011 he has held the Square Kilometre Array (SKA) Research Chair in
Cosmology at UWC, and was A1-rated in 2012. He was Chair of the international SKA Cosmology Science
Working Group, 2013-2015. He is Chief Editor (with A. Ashtekar) of the Springer-Nature journal General Relativity
& Gravitation, since 2012. In South Africa, he is Chair of the NRF's Standing Astronomy Grants Panel (2015-18),
and Chair of the SKA South Africa Users Committee, 2017-.
Roy has co-authored the book Relativistic Cosmology (Cambridge University Press, 2012) with George Ellis and
Malcolm MacCallum. He has published more about 200 articles in international refereed journals, and has an h-
index of 54 (WOS/ Scopus). He has been invited to numerous international conferences as a plenary speaker, and
has supervised over 30 postdoctoral researchers, over 15 PhD and over 10 MSc students.


About 200 papers in international refereed journals. 

For papers since 1995, CLICK HERE​

​​​Research monograph - Relativistic Cosmology, G Ellis, R Maartens, M MacCallum (Cambridge University Press



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