Judging by the numbers of newspaper reviews, biographies (including autobiographies) are amongst the most common literary works published these days. However, it is uncommon to find one book that combines a biography and an autobiography, as this book, Nature, Nurture and Chance: The Lives of Frank and Charles Fenner, does. As the author, Frank Fenner, sees it, 'nature' means the combination of genes that we inherit from our parents; 'nurture' means...