Charles Babbage, "the grandfather of the modern computer," did not live to see even one of his calculating machines at work. A dazzling genius with vision extending far beyond the limitations of the Victorian age, Babbage successfully calculated a table of logarithms during his years at Cambridge University, allowing mathematical calculations to be executed with extreme precision. Only the possibility of human error prevented complete accuracy, and Babbage understood that the only way to a...

Bill Gates, born in Seattle, Washington, in 1955, is an American business magnate, investor, philanthropist, and author. In this Who Was...? biography, children will learn of Gates' childhood passion for computer technology, which led him to revolutionize personal computers. Through the success of his now-world-famous software company, Microsoft, Bill Gates became one of the wealthiest philanthropists in history.This fascinating story of a child technology genius is sure to captiv...

Much of Hawthorne's writing centers on New England, many works featuring moral allegories with a Puritan inspiration. His fiction works are considered part of the Romantic movement and, more specifically, Dark romanticism. His themes often center on the inherent evil and sin of humanity, and his works often have moral messages and deep psychological complexity. His published works include novels, short stories, and a biography of his friend Franklin Pierce.

**NEW YORK TIMES BESTSELLER!Part how-to, part girl-empowerment, and all fun, from the leader of the movement championed by Sheryl Sandberg, Malala Yousafzai, and John Legend.**Since 2012, the organization Girls Who Code has taught computing skills to and inspired over 40,000 girls across America. Now its founder, and author Brave Not Perfect, Reshma Saujani, wants to inspire you to be a girl who codes! Bursting with dynamic artwork, down-to-earth ...

Neil Armstrong was involved in one of the most memorable events of the twentieth century - the moon landing!Find out more about how he got to become one of the first to set foot on the moon.Discover the stories of people who have helped to shape history, ranging from early explorers such as Christopher Columbus to more modern figures like Tim Berners-Lee, inventor of the World Wide Web.These chapter books combine historical fact with engaging narrative and humourous ...

Full-color series-six bios in one!It takes more than one person to bring about change and innovation. Explore the lives of the people who have had a huge impact on technology today. So much more than just your typical biography, PROFILES: TECH TITANS focuses on six of the most prominent figures in the technological world. This book includes all of the biographical information kids need to know (background, family, education, accomplishments, etc.) about Bill Gates, Steve Jobs, Mark...

As young boys, Orville and Wilbur Wright loved all things mechanical. As young men, they gained invaluable skills essential for their success by working with printing presses, bicycles, motors, and any sort of machinery they could get their hands on. As adults, the brothers worked together to invent, build, and fly the world’s first successful airplane. This is the fascinating story of the two inventors and aviation pioneers who never lost sight of their dream: to fly, and to soar higher!

An introduction to Leonardo da Vinci's genius focusing on his famous notebook sketches and the modern inventions they predicted.In 1781, Thomas Paine came up with a model for a single-span bridge; in 1887, Adolf Eugen Fick made the first pair of contact lenses; and in 1907, Paul Cornu built the first helicopter. But Leonardo da Vinci thought of all these ideas more than five hundred years ago!At once an artist, inventor, engineer, and scientist, da Vinci wr...

Providing guidance that helps students practice and troubleshoot their exam technique,these books send them into their exam with the confidence to aim for the best grades.- Enables students to avoid common misconceptions and mistakes by highlighting them throughout- Builds students' skills constructing and writing answers as they progress through a range of practice questions- Allows students to mark their own responses and easily identify areas for i...

All the good things that you enjoy today are products of the brilliant minds of scientists. These are the people who did a lot of research to discover more about the world, and from there, create technologies that we enjoy today. This book includes the best achievements, laid out in a fun and easy-to-under manner. Grab a copy today!

Do you know what a Solanum caule inermi herbaceo, foliis pinnatis incises, racemis simplicibus is?*Carolus (Karl) Linnaeus started off as a curious child who loved exploring the garden. Despite his intelligence—and his mother's scoldings—he was a poor student, preferring to be outdoors with his beloved plants and bugs. As he grew up, Karl's love of nature led him to take on a seemingly impossible task: to give a scientific name to every living thing on earth. The result wa...

In the last few decades, more and more people are going to college to further their education. It's hard to become a scientist, a professor, or a businessperson without getting some sort of college degree--but college isn't always necessary to achieve success. Some people are ready to enter the workforce right after high school. Russell Simmons was one of those people. The music mogul began his career promoting parties and concerts for rappers and DJs few people outside of New York City ha...