1. Francisco J. S. Alves is head of the nautical and underwater archaeology branch of Portuguese Heritage (DANS‐IGESPAR) of the Ministry of Culture. In 2003, he was appointed Professor of Nautical and Underwater Archaeology at the (Nova) University of Lisbon. Between 1997 and 2007 he was Director of the National Centre for Nautical and Underwater Archaeology (CNANS) of the Portuguese Archaeology Institute (IPA), and from 1980 to 1996 he was Director of the National Museum of Archaeology in Lisbon. From...