This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

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.

On May 24, 1844, Samuel Morse send his famous message, "What hath God wrought?"

SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.

Alexander Graham Bell's notebook entry of 10 March 1876 describes his successful experiment with the telephone. Speaking through the instrument to his assistant, Thomas A. Watson, in the next room, Bell utters these famous first words, "Mr. Watson -- come here -- I want to see you".

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

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

The new item was first used on Lake Pepin in Minnesota.

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.