Maryna Viazovska, Ukrainian Fields winner 'changed forever' by war
Ukrainian maths professor Maryna Viazovska, who on Tuesday won the top mathematics prize, the Fields Medal, said her life "changed forever" when Russia invaded her home country.. Viazovska and three other mathematicians received the Fields Medal, dubbed the Nobel prize in maths, in Helsinki after the ceremony was moved from Saint Petersburg to the Finnish capital in response to Moscow's war.