984228 Portrait of Charles Darwin (b/w photo) by Lock and Whitfield (19th century); Private Collection; (add.info.: Charles Darwin, British naturalist who established that all species of life have descended over time from common ancestors, and proposed the scientific theory that this branching pattern of evolution resulted from a process that he called natural selection. Photography by Lock & Whifield. Woodburytype published in Men of Mark, published by Sampson Low, circa 1880.); Look and Learn / Rosenberg Collection; English, out of copyright.