The thematic database "Science in Portugal: Characters and Episodes" is coordinated by Nuno Crato, with the collaboration of Fernando Reis and Luís Tirapicos, and it is developed for the Web by Centro Virtual Camões.

Nuno Crato is Associate Professor in Mathematics and Statistics at the Instituto Superior de Economia e Gestão (ISEG), in Lisbon, and a science writer with several published books and regular collaboration in the press, namely in the weekly newspaper Expresso.

Fernando Reis has an MA and is completing a Ph.D. in History and Philosophy of Science at the Faculty of Science and Technology of the Universidade Nova de Lisboa.

Luís Tirapicos is a science writer and a museum expert. As an independent scholar he has worked in archaeoastronomy.

Many of Nuno Crato's texts contain adaptations from some of his articles that were published in the newspaper Expresso, whom we thank for the permission given to freely reproduce texts, pictures and photos.

This thematic database also contains some articles from specialists, whom we thank the kind authorization for reproduction:

Navy Captain Estácio dos Reis, Academia de Marinha, Lisboa

Prof. Ronaldo Rogério de Freitas Mourão, Museu de Astronomia e Ciências Afins, Rio de Janeiro

Prof. Ildeu Moreira, Universidade Federal do Rio de Janeiro

Prof. Onésimo Teotónio de Almeida, Brown University

Prof. Ana Carneiro, Universidade Nova de Lisboa

Prof. Isabel Amaral, Universidade Nova de Lisboa

Prof. Henrique Leitão, Universidade de Lisboa

Prof. João Pedro Xavier, Universidade do Porto

António Lameira, MA in History and Philosophy of Science

Prof. Maria de Fátima Paixão, Instituto Politécnico de Castelo Branco

Prof. Décio Ruivo Martins, Universidade de Coimbra

Prof. Fernando Bragança Gil, Universidade de Lisboa and former director of the University’s Science Museum.

Conceição Nicolau, MA in Physics Teaching

Prof. José Luís Cardoso, Instituto Superior de Economia e Gestão, Lisboa

Prof. Anabela Ramos, Universidade de Aveiro

Prof. Helmuth R. Malonek, Universidade de Aveiro