The brothers Paul and John Nash, in their very different ways, were a major influence on twentieth century British design. Paul Nash (1889-1946) is now recognised as the most significant war artist of the last century; John Nash (1893-1977) as a plantsman artist. Both worked as designers and as tutors at the Royal College of Art, Paul encouraging a generation of designer artists that included Eric Ravilious, Edward Bawden and Enid Marx. As a committee...