Born: December 8, 1932, São Paulo, Brazil.

Died: May 12, 2020.

Higher Education: PhD in Mathematics at University of São Paulo (São Paulo, Brazil).

Main Publications: 

• Educação Matemática: da teoria à prática (1996)
• Ethnomathematics. Challenging Eurocentrism, in Arthur B. Powell, Marilyn Frankenstein (eds.) Mathematics Education, State University of New York Press, Albany 1997, p. 13–24 (1997)
• Historiographical Proposal for Non-Western Mathematics, in Helaine Selin (ed.), Mathematics Across Cultures. The History of Non-Western Mathematics, Kluwer Academic Publishers, Dordrecht, 2000, pp. 79–92.

Known for:

• Ethnomathematics.