An Oxford University researcher... an art historian at Britain's Oxford University has claimed that the full name of Leonardo da Vinci's mother was Caterina di Meo Lippi. Professor Martin Kemp said Caterina was a poor peasant, probably an orphan, living with her grandmother in a decrepit farmhouse about a mile from Vinci in the Italian Tuscan hills, The Times reported. The name emerged from previously overlooked archives in Florence and Vinci, including property tax records, Mr Kemp said. Caterina's father disappeared when she was young, leaving her to be brought up by her grandmother. In 1451, when Caterina was 15,...