The author of this life of Erasmus Darwin, published in 1879, is given as Ernst Krause (1839-1903) a German biologist, but in fact more than half the book is a 'preliminary notice' by Charles Darwin, who explains in the preface that he has written it because of his access to family papers which add 'to the knowledge of Erasmus Darwin's character'. Krause wrote his original article in a German periodical because, in turn, he was intrigued by a reference...