This second part of the note deals with a biographical sketch of Otto Neurath, an eminent social scientist and an activist in many areas of social movement. It also gives a description of the political storm which raged about the Wetem intellectual community in the Inter World Wars time. Neurath began his carrier as a social scientist with an cxcellent student of the University of Vienna. He transferred to the Berlin University with his friend Anna Schapire, his later wife. In Berlin he finished his dissertation on the economy of classical antiquity. In 1907, after came back to Vienna, he joined a small group of young scholars, which was to be called by the First Vienna Circle. Every Thursday night, Hans Hahn and his sister Olga, Joseph and...