Q: I won a box of items at ­auction, which included a Wedgwood bone china ashtray, which I’d like valued. The ashtray has “Susie Cooper Design” written on the back and “Glen Mist ...

Josiah Wedgwood, the 18th-century polymath potter, entrepreneur and anti-slavery campaigner. Dr Tristram Hunt on how his company's greatness turned to 21st-century tragedy. Show more In 1730 ...