Dr. Ivo Maćela 1891-1952, born in Trpanj on Pelješac peninsula, was professor at the Charles University in Prague and at the Comenium University in Bratislava. In 1945 he founded the Medical Faculty in Plzen in Czech Republic. In 1947 he was nominated unanimously candidate for the Nobel Prize by the Council of Professors at the Medical Faculty of the Charles University in Prague, for his research and important achievements in endocrinology.