Thomas Edison, dubbed the “Wizard of Menlo Park,” was one of the greatest inventors the world has known. His nearly 1,100 patents exceed that of any other inventor in American history, and his inventions were foundational across a bewildering array of domains, from electronics to medicine to chemical research.

Very learned women are to be found in the same manner as female warriors but they are seldom or ever inventors.

I did a book in 1996 an overview of black history. In that process I became more aware of a lot of the black inventors of the 19th century.

The genius of the United States is not best or most in its executives or legislatures nor in its ambassadors or authors or colleges or churches or parlors nor even in its newspapers or inventors but always most in the common people.

The Romans were not inventors of the supporting arch but its extended use in vaults and intersecting barrel shapes and domes is theirs.