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

- 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

- 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

- 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

- 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 passed away on December 31, from SIAM’s Dynamical Systems mailing list (on Reddit)
- ‘Unapologetic champion of mathematics’ (@masonhaber on Twitter)

Image from ResearchGate