Erich Blechschmidt was an anatomist and embryologist who worked for more than forty years on the problem of human form and the way that form arises in the course of ontogeny, principally during the first eight weeks or so after conception. He has provided us with more than 120 scientific papers and numerous books concerning the development of human form and function. One unique aspect of Blechschmidt's research is that it concentrates on the evidence presented by the human embryo itself, in the form of a comprehensive collection of about 200,000 serial sections of embryos at different ages and...