Across almost 50 years, Winston Churchill produced more than 500 paintings. His subjects included his family homes at Blenheim and Chartwell, evocative coastal scenes on the French Riviera, and many sun-drenched depictions of Marrakesh in Morocco, as well as still life pictures and an extraordinarily revealing self-portrait, painted during a particularly troubled time in his life. In war and peace, Churchill came to enjoy painting as his primary...