Hugo Nicolas Nazareno, PhD from Universidad Nacional de Cordoba, Argentina (UNC) in 1970, was: Assistant Professor at UNC from 1970 to 1976, Postdoc at University of Uppsala 1976-1978, Associate Professor at Universidade de Brasilia, Brazil (UnB) from 1978, Visiting Associate Professor at University of California (UCSB) from 1987 to1988, Visiting researcher at the École Polytechnique, Montreal, Canada in 1996, Director of the International Centre for Condensed Matter Phyics from Novembert 1998 to April 2002. He published the book Mecânica Estatística e Funções de Green, Ed. Universidade de Brasilia, 2nd. Ed 2010.