Scope and Contents The material includes letters from Maurice Dodson (as well as some of Dodson's handwritten notes) and a letter from René Thom concerning an article of Dodson's which Waddington was asked to read titled 'Darwin's Law of Natural Selection and Thom's Theory of Morphogenesis', a draft of which is included in this material. Also present are letters from John Lewis regarding Waddington's contribution to Beyond Chance and Necessity: A Critical Inquiry into Professor Jacques...