Research scholar working on the foundations of logic and apprehension, logic informed by new data in biophysics, logic as semeiotic theory, the foundations of computation, computing machinery, biophysics.

Alan Turing, Rudolf Carnap and the Vienna Circle, Benjamin Peirce, Charles Sanders Peirce and James Mills Peirce, the Peirce family (1778-1914) and the radical intellectualism of 19th century Harvard.

3-ISMS: Positivism, Pragmatism, Existentialism.