From http://www.mathunion.org/ICM/ICM2002.1/Main/icm2002.1.0099.0104.ocr.pdf http://www.mathunion.org/ICM/ICM2002.1/Main/icm2002.1.0099.0... (2002): "Among his

From http://www.mathunion.org/ICM/ICM2002.1/Main/icm2002.1.0099.0104.ocr.pdf http://www.mathunion.org/ICM/ICM2002.1/Main/icm2002.1.0099.0... (2002): "Among his main achievements are the following: he defined and developed motivic cohomology and the A1-homotopy theory of algebraic varieties; he proved the Milnor conjectures on the K-theory of fields." Quite an achievement, indeed...