Launching his curatorial career at the George Eastman House in 1957, Nathan Lyons (1930-2016) soon made a mark in the museum world and in his workshops for photographers and curators alike. Yet his supporting role in the careers of rising stars such as Lee Friedlander and Garry Winogrand sometimes eclipsed the public's awareness of Lyons's own pioneering photography. Coinciding with a major exhibition at the George Eastman Museum in 2019, Nathan...