Walter Isaacson, a professor of history at Tulane, has been CEO of the Aspen Institute, chair of CNN, and editor of Time. He is the author of 'Leonardo da Vinci; The Innovators; Steve Jobs; Einstein: …
Raymond Albert Kroc, popularly known as Ray Kroc, was an American businessman, who brought about a revolution in the fast food industry, making McDonald’s the biggest fast food chain in the world.
Dr Erin Macdonald is an astrophysicist, science fiction consultant, aerospace engineer, and host of the online series "Dr Erin Explains the Universe". Her specialty is in general relativity, having pr…
