Sir Michael Atiyah obituary

The last time I met Michael Atiyah, who has died aged 89, was at Tate Modern in London; not the most likely place to run into probably Britain’s greatest mathematician since Isaac Newton, but entirely consistent with his wide-ranging enthusiasm for his subject. It was June 2012, and I joined him and the flamboyant French…

Sir Peter Swinnerton-Dyer obituary

Peter Swinnerton-Dyer, who has died aged 91, is famous among mathematicians as one author of the Birch-Swinnerton-Dyer conjecture in number theory. Published in 1965, this was immediately influential, becoming even more prominent in 1999 as one of the Clay Mathematics Institute’s seven million dollar Millennium Prize Problems, alongside the Riemann hypothesis. Swinnerton-Dyer’s first published paper…