Ubaldo Martinez Veiga is Professor of Social Anthropology at the National University of Distance Education. He has devoted himself to the study of Economic Anthropology, Political Ecology of History and Anthropology. One topic that has been studied long time is that of immigration, especially of people arrived from the African continent. He has published Economic Anthropology (1990), Women work and home. The origins of discrimination (1995) and Poverty, exclusion and spatial segregation. The housing of foreign immigrants in Spain (1999), the three in Icaria Editorial. He has also published The social integration of foreign immigrants in Spain (1997), El Ejido: discrimination, social exclusion and racism (2001), Invisible Workers: Precarious, rotation and poverty of immigration in Spain (2004), History of Anthropology (2010) and African immigrants, racism, unemployment and poverty (2011).