Later in life, disillusioned with architecture, Mackintosh worked largely as a watercolourist, painting numerous landscapes and flower studies (often in collaboration with Margaret, with whose style Mackintosh's own gradually converged). They moved to the Suffolk village of Walberswick in 1914. There Mackintosh was suspected of being a German spy and briefly arrested in 1915 during World War I.
Later in life, disillusioned with architecture, Mackintosh worked largely .as a watercolourist, painting numerous landscapes and flower studies (ofte:n in collaboration, with Margaret, with whose style Mackintosh's own gradually converged). They moved to the Suffolk village of Walberswick in 1914. There Mackintosh was suspected of being a German spy and briefly arrested in 1915 during World War I.