When you factor in nicknames and abbreviations, one person can be known by a staggering array of labels. My own case is not untypical. I was born Susan Margaret Gunn. As a child I was Susan – or Susan Margaret, the full Sunday name, when I was in trouble, which was quite often. As I grew up my friends called me Sue. I married and became Sue MacLaughlin (Mrs, later Dr); then, on my remarriage, Sue Black (Professor, later Dame) – and for a very short time, to maintain publication continuity for my career, I was Sue MacLaughlin-Black (talk about an identity crisis).