Professor of Biology, historian of science and former researcher at the Cuban Academy of Sciences, he is the author of several books, scientific monographs and book chapters, and more than thirty research articles in Spanish and international journals, which deal with on the subject of the influence of the biological and medical sciences in relation to social control, immigration and slavery. Among his books we can highlight: Antonio Parra in Spanish American Science (Editorial Academia, 1989), Darwinism and society in Cuba (CSIC, 1989, with PM Pruna), The Spain of science and technique, (Acento, 2002, with JL Maldonado), The traps of power: hygiene, eugenics and migration. Cuba-United States relations, 1900-1940 (CSIC, 2007, with R. Álvarez), El stigma del color. Knowledge and prejudices about races in Spanish-Cuban science of the 19th century (Idea, 2008, 2 vols.) Or The Canary Miguel Gordillo in Cuban science of the 19th century (Idea, 2008), as well as the translations of Charles Darwin's books The structure and distribution of coral reefs (CSIC, UNAM, Los Libros de la Catarata, 2006) and The variation of animals and plants under domestication (CSIC, UNAM, Mexican Academy of Sciences, Los Libros de la Catarata, 2008 ).