By: Mark Leon Goldberg on June 25, 2008 Ruth Cardoso, the former Brazilian first lady, anthropologist, author and social entrepreneur, passed away on Tuesday at her home in Sao Paulo. She was 77 years old. Cardoso was a member of the board of the United Nations Foundation, which sponsors this blog. In 1995, she founded the Brazilian non-profit Communidade Solidaria which forms public-private partnerships to combat poverty in Brazil. Our hearts go our to her family and all the people whose lives she touched.