Since antiquity, war surgery has been a profession demanding a special kind of human: one able to face seemingly insurmountable problems; one able to keep a lucid mind and steady hands in extraordinary circumstances; one able to shoulder tremendous burdens; and one able to harden himself or herself, time and again, to failure and self-doubt. It is, and always has been, a harrowing business, and only for the brave. Dr John Wright charts the evolution...