Rudolf Carnap — German Philosopher born on May 18, 1891, died on September 14, 1970

Rudolf Carnap was a German-born philosopher 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 positivism. He is considered "one of the giants among twentieth-century philosophers.".. (wikipedia)

Logic is the last scientific ingredient of Philosophy; its extraction leaves behind only a confusion of non-scientific, pseudo problems.
In science there are no 'depths'; there is surface everywhere.