The Inventors

1) Marie Curie

Dr. Marie Curie is known to the world as the scientist who discovered radioactive metals. Marie Curie was born November 7, 1867 in Poland. As a child, Marie Curie amazed people with her great memory. She learned to read when she was only four years old. Her father was a professor of science. She dreamed of becoming a scientist, but that would not be easy. Her family became very poor, and at the age of 18, Marie became governess. She helped pay for her sister to study in Paris.

Marie Curie and her husband, Pierre Curie, discovered the radioactive element radium and polonium. She found that the harmful properties of x-rays were able to kill tumors. Marie Curie was honored with a Nobel Prize in 1901. On July 4^th 1934, she died of Leukemia.

2) Walt Disney

            Walter Elias Disney was born on December 5^th, 1901. He liked to draw cartoon character since he was child. Disney also became a cartoonist for his school newspaper. At World War I, he became an ambulance driver for the Red Cross.

            Walt Disney the creator of the animated character Mickey Mouse, also invented the multi plane camera used for animation. The multi plane camera was used in the Walt Disney studios during the 1930s and 1940s to create animated pictures. His first creatiom in movie was Alice in Wonderland and continued by Felix the cat. Soon he created Mickey Mouse and friends around 1930s. All of the movies were silent movie, so you could not hear any sound.

He received many awards for his effort in cartoon movie. Disney died of lung cancer on December 15^th, 1966, a few years after the opening of his Walt Disney World dream project in Orlando, Florida. Now you can visit Disneyland and Walt Disney World Resort in United States, France, Japan and China.

3)  Thomas Alfa Edison

Thomas Alfa Edison was Born on February 11^th,1847 in Milan, Ohio. Je was the seventh and last child of Samuel and Nancy Edison. He was a poor student. When a schoolmaster called him “addled”, his mother took him out of the school and proceeded to teach him at home. At an early age, he showed a fascination for mechanical things and for chemical experiments.

The first great invention developed by Edison was a phonograph. It could record and reproduced sound. He suggested other uses for the phonograph, such as: letter writing, dictation, music boxes, clock and record, conversation from telephone.

In 1879, he improved the light bulb from a 50 year old idea . At that time, a number of people had work on and developed forms of electric lighting. But nobody had been developed for home use. After one and a half years work, he finally invented an incandescent lamp which was burned for thirteen and a half hours.