Carlos Salema, former president of the Lisbon Academy of Sciences, professor emeritus, and a leading figure in the national telecommunications sector, passed away this Saturday, April 25, following a long illness. Born in 1942 in Ponta Delgada, he was renowned for his contributions to microwave antenna research and industrial process simulation. A graduate of the Instituto Superior Técnico (IST), he held a PhD from Queen Mary College, University of London, and served as a full professor at IST from 1979 to 2003. Throughout his career, he led several key institutions, including the Institute of Telecommunications, and was awarded the Grand Cross of the Order of Public Instruction.