 Carnap, Rudolf |  Comte, Auguste |  Einstein, Albert: philosophy of science |  empiricism: logical |  general relativity: early philosophical interpretations of |  Helmholtz, Hermann von |  -->logical positivism--> |  Mach, Ernst |  Neurath, Otto |  Poincaré, Henri |  Reichenbach, Hans |  Vienna Circle |  Wittgenstein, Ludwig 