Philosophy of emotion is a vital topic within contemporary philosophy of mind. Beginning from insights latent in Heidegger's early philosophy, Wednesday's Child is an argument that, with the recognition of a suitable field of consciousness, it ought to be possible to speak scientifically about our non-cognitional and non-volitional but nevertheless rational moods, in particular --that most celebrated mood, -- namely, Angst. With the emergence of twentieth-century existentialism and its attention to human experience, and with Heidegger's revolutionary insight that an emotional mood such as...