Sigmund Freud (1856-1939) believed that the capacity for guilt varies between individuals and among human populations. He also believed that this variability had, in part, a heritable basis. Humans are motivated to act correctly by either shame or guilt. We feel shame after acting wrongly in the presence of others. We feel guilt even when... Read More

Robert Chambers (1802-1871). His anonymously published book, Vestiges of the Natural History of Creation (1844), helped pave the way for public acceptance of Darwin’s theory of evolution. (source) I haven't yet read Nicholas Wade's book A Troublesome Inheritance. I will venture to say, however, that it will be remembered less for its actual content than... Read More