Atiyah passed away on Friday (11th Jan), confirmed by [Oxford Maths dept](https://web.archive.org/web/20190111193302/https://www.maths.ox.ac.uk/node/31190), [the Royal Society](https://web.archive.org/web/20190111173233/https://royalsociety.org/news/2019/01/tribute-to-former-president-of-the-royal-society-sir-michael-atiyah/) and an [obit in the NYT](https://www.nytimes.com/2019/01/11/obituaries/michael-atiyah-dead.html).