"This book traces the life of Alexander Graham Bell, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the invention for which he is best known: the telephone. A timeline at the end of the book summarizes key milestones and achievements of Bell's life."--

"This book traces the life of George Washington Carver, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the agricultural discoveries for which he is best known. A timeline at the end of the book summarizes key milestones and achievements of Carver's life."--

Traces the life of Louis Pasteur, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the work on pasteurization and vaccination for which he is best known. A timeline at the end of the book summarizes key milestones and achievements of Pasteur's life. --Publishers description.