Alfred Russel Wallace, the codiscoverer of the theory of natural selection. Following their twin announcements of the theory in 1858, both Darwin and Wallace struggled like Laocoöns with the serpentine problem of human evolution and its encoiling difficulty of consciousness. But where Darwin clouded the problem with his own naivete, seeing only continuity in evolution, Wallace could not do so.

The Origin of Consciousness in the Breakdown of the Bicameral Mind (ed. Houghton Mifflin Harcourt, 2000) - ISBN: 9780547527543