Exploring Color Photography, 6th Edition

To my mother, Muriel Hirsch, for teaching me to read, and my wife, Adele Henderson, for her aesthetic inspiration and ongoing support.

And to the memory of my father, Edwin Hirsch, for introducing me to photography; and the crew of the Endurance expedition and Ernest Shackleton (1874–1922), explorer of Antarctica, who provided me with insight into the nature of true exploration:

The qualities necessary to be an explorer are, in order of importance: optimism, patience, physical endurance, idealism, and courage. Optimism nullifies disappointment. Impatience means disaster. Physical endurance will not compensate for the first two moral or temperamental qualities.