(For his work on various generalizations of the Davenport-Heilbronn estimates and for his recent startling results (with Arul Shankar) on the average rank of elliptic curves.)
(For his fundamental contributions to the studies of the equations of general relativity and to the propagation of the light on the space-time curves (in collaboration with Mihalis Dafermos, Sergiu Klainerman, and Hans Lindblad).)
