Peter Lovesey

Peter (Harmer) Lovesey (born 1936), also known by his pen name Peter Lear, is a British writer of historical and contemporary detective novels and short stories. His best-known series characters are Sergeant Cribb, a Victorian-era police detective based in London, and Peter Diamond, a modern-day police detective in Bath. https://en.wikipedia.org/wiki/Peter_Lovesey