text: *2007 - Recipient of the puRkwa Prize. This is an "international prize for the scientific literacy of the children of the planet" awarded annually by the École nationale supérieure des mines de Saint-Étienne and the French Academy of Sciences. 
  *2005 - Member of the Academy of Exact, Physical and Natural Sciences of Argentina
  *2002 - Medal of the Grand Cross of the Scientific Merit awarded by the President Brazil.
  *2001 - Foreign Member of the National Academy of Sciences of the United States of America.
  *1993 - Honorary Doctorate from the University of Buenos Aires, Argentina.
  *1992 - National "Natural Sciences Award of Chile".
  *1990 - Foreign Member of the Institute of Medicine of the National Academy of Sciences of the United States of America.
  *1986 to 1988 - "Scholar in Residence" of the Fogarty International Center in the United States.
  *1986 - Founding member of the Academy of Sciences of the Third World.
  *1983 - Member of the Chilean Academy of Sciences.
  *1982 - Founding member of the Academy of Sciences of Latin America.
  *1966 - Guggenheim Fellowship