This book is part of a book series called Technology Titans .

This book has been graded for interest at 11-17 years.

There are 80 pages in this book. This book was published 2015 by Referencepoint Press .

Hal Marcovitz is a journalist who lives in Pennsylvania. He is the author of the novel Painting the White House as well as more than 60 nonfiction books for young readers. His other titles in Chelsea House's Who Wrote That? series include biographies of Will Hobbs, R. L. Stine, and Bruce Coville.