János Kollár is Hungarian born mathematician who has spent his career in the United States. He has proved remarkable results in algebraic geometry which have led to him receiving a number of major prizes such as the Frank Nelson Cole Prize in Algebra, the Frederic Esser Nemmers Prize in Mathematics, the Shaw Prize in Mathematical Sciences and János Bolyai International Mathematics Award.
Find out more at: https://mathshistory.st-andrews.ac.uk/Biographies/Kollar/