Carnap,
Rudolf 1891-1970; U.S. logician & positivist philosopher, born in Germany
See Carnap in American Heritage Dictionary 4
(kärˈnäpˌ, -năpˌ), Rudolf 1891-1970.
German-born American philosopher whose antimetaphysical views, set forth in such works as The Logical Structure of the World (1928) and The Logical Foundations of Probability (1950), were central to the development of logical positivism.