PWF Latin America - Advanced Lectures on Theoretical Physics: General ...
Yakov Zeldovich (1914-1987)
Space Research Institute, Moscow, Russian Federation
for far-ranging contributions to relativistic astrophysics, particularly in theories of compact objects and cosmic evolution.
Edward Witten, Princeton University, Princeton, USA (at the time of the award)
for stimulating contributions to quantum field theory, particularly with regard to the implications of new kinds of anomalies.