Walker Evans was a photographer noted for his images taken during the Great Depression, many of which are widely recognized. Less known, but what really interests me about him is that he also took these incredibly voyeuristic yet equally poignant photographs in the New York subway using a camera hidden in his jacket. These were collected and published in his monograph Many Are Called. It still has an amazing resonance today nearly some 70 years later. While the fashion and ethnicities of straphangers have changed, the facial expressions have not.