The winners of the ICIAM prizes were announced earlier. Here are links to their Author Profile Pages in MathSciNet. At the opening ceremony for ICIAM, they received their prizes from Felipe VI of Spain, who then came out to the coffee break to meet with the mathematicians.
ICIAM Collatz Prize:
Siddhartha Mishra
(ETH Zürich, Switzerland)
ICIAM Lagrange Prize
George Papanicolaou
(Stanford University, USA)
ICIAM Maxwell Prize
Claude Bardos
(Université Paris Denis Diderot, France)
ICIAM Pioneer Prize
Yvon Maday
(Sorbonne University, Paris, France)
ICIAM Su Buchin Prize
Giulia Di Nunno
(University of Oslo, Norway)