Juan Antonio Samaranch

The provided news articles do not contain any information about Juan Antonio Samaranch. Therefore, it is impossible to provide a summary about him based on the given context. The articles focus on Rafael Nadal receiving an honorary doctorate and a posthumous tribute to Carmen de Mairena in Barcelona. Without any mention of Samaranch, any attempt to create a summary about him would be purely speculative and based on external information, which is outside the scope of the provided instructions.