One of the themes of this lecture series has to do with the bearing of radical cultural divergencies on the issue of whether or not there is an invariant human nature. Put starkly, the options are between: first, man as a socio-cultural product, which entails that human nature must vary significantly across divergent cultures; second, man as a biological product, which entails (racist theories aside) that human nature is universal and invariant, impervious to cultural influence; and third, man as a (...) mixture or synthesis of these two options. (shrink)