Dale Carnegie was an American writer and teacher of courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Born into poverty on a farm in Missouri, h…
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: …
William Knowlton Zinsser is an American writer, editor, literary critic, and teacher. He began his career as a journalist for the New York Herald Tribune, where he worked as a feature writer, drama ed…