They have made a difference and revolutionized the world. They come from all walks of life and from all corners of the globe. These remarkable individuals have pioneered, developed and forever improved their industry and the world in which we live. Engaging and relevant, these individuals will change the way you view the world, and remind you that it only takes one person to make a difference.

Originally released by Film Ideas, 2011. Streaming video file encoded with permission for digital streaming by Infobase on March 10, 2015.

Charles Darwin: English Naturalist (2:27); --"On the Origin of Species by Natural Selection" (1:33); -- Alexander Fleming: Pharmacologist (2:13); -- Modern Antibiotics (1:51); -- Helen Keller: First Deafblind Person to Earn a Bachelor of Arts Degree (1:39); -- Advocate for the Deaf and Blind (2:22); -- Albert Einstein: Theoretical Physicist (1:09); -- Einstein's Role in the Development of the Atom Bomb (0:55); -- Einstein Revolutionized Physics (2:12); -- Stephen Hawking: British Theoretical Physicist (1:03); -- Courage and Persistence (0:54); -- Presidential Medal of Freedom for a Futurist (2:11); -- Credits: Science & Disease (Charles Darwin, Alexander Fleming, Helen Keller, Albert Einstein, Stephen Hawking): Advocates of Change (0:30); -- Alexander Fleming (13:00); -- Alexander Fleming (0:10); -- Alexander Fleming (0:13); .