The Thames and the Tide The sky over Greenwich holds a specific weight, a heavy mixture of cloud formations and industrial grit that Anne Christopherson spent decades translating onto canvas. Born in 1921 in India, she moved to England as a child, finding her footing in the landscapes of the New Forest and later the bustling, working riverbanks of London. Her eye for detail was sharpened not just by art school training at Bournemouth,…