Hull has several museums of national importance. The city has a theatrical tradition with some famous actors and writers having been born and lived in Hull. The city's arts and heritage have played a role in attracting visitors and encouraging tourism in recent efforts at regeneration. Hull has a diverse range of architecture and this is complemented by parks and squares and a number of statues and modern sculptures. The city has inspired author Val Wood who has set many of her best-selling novels in the city. The Wilberforce Lecture and award of the Wilberforce Medallion, which has taken place annually since 1995, celebrates the historic role of Hull and William Wilberforce in combating the abuse of human rights.