Which top roles have still not been held by women in the UK?
Cressida Dick's tenure at the head of Scotland Yard began this week when she formally took charge of the country's largest police force.
Ms Dick was named as the first female commissioner in the Metropolitan Police's 188-year history in February. But how many other major roles in Britain have yet to be taken up by a woman? Here are some of the key positions only ever held by men.