With his square, bulldoggish stature, signature rimless glasses, and inimitable smile - part grimace, part snarl - Theodore Roosevelt was an unforgettable figure, imprinted on the American memory through photographs, the chiseled face of Mount Rushmore, and, especially, film. At once a hunter, explorer, naturalist, woodsman, and rancher, Roosevelt was the quintessential frontiersman, a man who believed that only nature could truly test and prove the worth of man. A documentary he made about his 1909 African safari embodied aggressive ideas of masculinity, power, racial superiority, and