<Tr> <Th> School </Th> <Td> Pragmatism Functional psychology Radical empiricism </Td> </Tr> <Tr> <Th> Institutions </Th> <Td> Harvard University </Td> </Tr> <Tr> <Th> Main interests </Th> <Td> Pragmatism, psychology, philosophy of religion, epistemology, meaning </Td> </Tr> <Tr> <Th> Notable ideas </Th> <Td> The Will to Believe Doctrine, the pragmatic theory of truth, radical empiricism, James--Lange theory of emotion, psychologist's fallacy, brain usage theory, soft determinism, dilemma of determinism, Jamesian theory of self </Td> </Tr>

Who wrote i will be what i believe