Einstein’s 1917 static model of the universe: a centennial review Cormac O’Raifeartaigh, Michael O’Keeffe, Werner Nahm and Simon Mitton Eur. Phys. J. H, 42 3 (2017) 431-474 Published online: 20 July 2017 DOI: 10.1140/epjh/e2017-80002-5