Introduction 5
Benjamin Franklin 7
Benjamin Banneker 14
Eli Whitney 22
Samuel F.B.Morse 31
Alexander Graham Bell 38
Thomas Alva Edison 46
Walter Reed 54
Luther Burbank 61
Jan Earnst Matzeliger 68
George Washington Carver 75
The Wright Brothers 84
Robert Goddard 92
Albert Einstein 99
Jonas Salk 107
Appendix A 113
Solutions to the Exercises 113
Appendix B 118
Glossary 118