As 2018 drew to a close, we sadly lost several pioneering figures in mathematics. UPDATE: We have sadly also lost Rich Haberman, added 14/1/19.
Jean Bourgain, 22nd December
![Photo by Andrea Kane](https://aperiodical.com/wp-content/uploads/2019/01/Bourgain_AK.jpg)
- Maths pioneer Jean Bourgain dies aged 64, at Flanders Today
- Jean Bourgain obituary, at Terry Tao’s blog
Photo by Andrea Kane.
Bogdan Bojarski, 22nd December
![](https://aperiodical.com/wp-content/uploads/2019/01/bojarski_bogdan.jpg)
- Professor Bogdan Bojarski: Obituary, notice on the IM PAN website (PDF)
- Bogday Bojarski obituary on Polish Mathematical Society website (Polish)
- Bogdan Bojarski, on Polish Wikipedia
Image from ptm.org.pl
Elias Stein, 23rd December
![](https://aperiodical.com/wp-content/uploads/2019/01/post_0.jpg)
- Pioneering Princeton mathematician Elias Stein dies, at princeton.edu
- Elias Stein obituary, at Terry Tao’s blog
Photo by Karen Stein
Peter Swinnerton-Dyer, 26th December
![](https://aperiodical.com/wp-content/uploads/2019/01/swinnerton-dyer_sirpeter_large.jpg)
- Sir Peter Swinnerton-Dyer, 1927-2018, on the Trinity College Cambridge website
- Professor Sir Peter Swinnerton-Dyer – obituary, at The Telegraph (requires login)
Image from Geni.com
Richard Haberman, 31 December
![Richard Haberman; Image from ResearchGate](https://aperiodical.com/wp-content/uploads/2019/01/Richard_Haberman.jpg)
- Richard Haberman passed away on December 31, from SIAM’s Dynamical Systems mailing list (on Reddit)
- ‘Unapologetic champion of mathematics’ (@masonhaber on Twitter)
Image from ResearchGate