An exploration of the enduring legacy of photography's pioneers in full-page images and text, offering critical and biographical information on the artists profiled. Although photography is largely considered a 20th- (and now 21st-) century art form, its inception in the 19th century ignited an artistic and scientific frenzy as discovery after discovery moved the art forward at lightning speed. Technical advances, such as heliographs, daguerreotypes, calotypes and tintypes, albumen, collodion, and platinum prints were all introduced before 1900 by artists whose names are still revered in the twenty first century. From Daguerre and Niepce's early experiments with the camera obscura to Atget's studies of the urban environment; from Roger Fenton's documentation of the Crimean War to Mathew Brady's realistic portrayals of America's Civil War; from Muybridge's galloping horses to Julia Margaret Cameron's romantic portraits; from Felix Nadar's infamous female nude to Lewis Carroll's celebrated portraits of girls - here are the geniuses and masterpieces that helped transform a scientific discovery into a means of artistic expression. From