Walter Isaacson has written another timely and captivating book about both a key figure, Jennifer Doudna, and an emerging technology that will change humanity. Already well-known for best selling tomes on Steve Jobs, Benjamin Franklin, Leonardo da Vinci, and Albert Einstein, Isaacson turns his attentions to biotechnology. He personalizes the story by focusing on Jennifer Doudna, who along with her collaborator, Emmanuelle…