Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.

Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.

Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government.

It was originally called the 'Epsicle' in his honor. (I can see why that name didn't catch on).

On September 12, 1958, Jack Kilby demonstrated the first working IC while working for Texas Instruments, although the U.S. patent office awarded the first patent for an integrated circuit to Robert Noyce of Fairchild.

As you have noticed in pictures, many Egyptians have head coverings, sometimes with beads in them. The first wigs were created to cover the head from the hot sun.

This was a plastic potato-shaped body on which you could stick different features, such as eyes, ears, etc.

The first message ever sent over what is now called the Internet took place at 10:30PM on October 29, 1969. Back then, the Department of Defense called it ARPAnet (Advanced Research Projects Agency network).

Dr. Hans von Ohain and Sir Frank Whittle are recognized as the co-inventors of the jet engine. Each was working separately and knew nothing of the others work. Although Whittle started first, von Ohain was first to design and develop a turbojet engine to power an aircraft.

Of the many honors received by both, the most significant honor was probably "The Charles Draper Prize" in 1992 which was given to both Hans von Ohain and Sir Frank Whittle for their efforts and contributions to aviation and mankind. "The Charles Draper Prize" is recognized as the equivalent to the Nobel Prize in technology.

On December 23, 1947, William Shockley, Walter Brattain and John Bardeen, of Bell Labs, announced their discovery of the point-contact germanium transistor to management.