Leonard Woolley

Sir Charles Leonard Woolley (17 April 1880 – 20 February 1960) was a British archaeologist best known for his excavations at Ur, the centre of the Mesopotamian civilisation. Agatha Christie made her first visit to dig site at Ur in 1928 where she was hosted by Sir Charles' wife and fellow archaeologist, Katharine Woolley. In 1929, the Woolleys, back in England at Christie's house at 22 Cresswell Place. Christie made a second visit to Ur to visit the Woolleys in 1930 and there met one of Leonard's assistants Max Mallowan.

The book The Thirteen Problems is dedicated to Leonard and Katherine Woolley.