This French mathematician born in 1985 is one of the 4 recipients of Fields medals attributed the 5th of july 2022, by the international congress of Mathematics, that is organized each 4 years since 1900 and attributes until 4 Fields medals that are considered equivalent of a Nobel price because there are not Mathematics Nobel. Although, there's a great difference, Fields medals go to searchers younger than 40 years.
Duminil-Copin works on aleatory phenomenons in dimension 3 and 4. His works are difficult to explain but I will try to illustrate it with my next hanjie, so in dimension 2.