Paul Rudolf Carnap was a German philosopher and logician who was active in Europe before 1935 and in the United States thereafter. He was a major member of the Vienna Circle and an advocate of logical
Friedrich Albert Moritz Schlick was a German philosopher, physicist, and the founding father of logical positivism and the Vienna Circle. He was murdered by a former student, Johann Nelböck, in 1936.
Rudolf Carnap
…logical positivist perspective. Carnap discovered a kindred spirit when he met Hans Reichenbach at a 1923 conference. Reichenbach introduced Carnap to Moritz Schlick, a professor at the University of Vienna who offered Carnap a position in his department, which Carnap accepted in 1926. Carnap thereupon joined an…
Moritz Schlick around 1930
Inscription on a staircase of the main building of the University of Vienna where the murder took place