Caucher Birkar for Folha de São Paulo / by LUCAS LANDAU

On August 4th Caucher Birkar, 40, Kurdish refugee and professor at Cambrigde, received the second gold Fields Medal. The first was stolen minutes after he received, on August 1st, in Rio de Janeiro, during the International Congress of Mathematics.

The Fields Medal is considered math's equivalent of the Nobel Prize. I was on assignment for Folha de São Paulo newspaper.