Annan, Kofi (1938- ), secretary general of the United Nations (UN), born in
Annan was born in
After ten years of service with the UN, he attended the Massachusetts Institute of Technology, where he received a master’s degree in management in 1972.
Until the late 1800s, most people went to bed soon after sunset. They used candles and oil or gas lamps for light. American inventor Thomas Edison changed the way people live when he invented the first practical light bulb. The light bulb was just one of more than 1,000 inventions created by one of the greatest inventors of all time.
LIFE AND CAREER
Thomas Alva Edison was born in
People exercise to keep healthy. They exercise to lose weight or to stay fit. They exercise to make their muscles bigger and stronger. Maybe you play soccer or some other sport for exercise. Getting exercise can be fun and can make you feel good.
Exercise is a big part of staying physically fit. People who are physically fit are alert and full of energy. Exercise can also help people handle stress. Exercise is especially good for children, teens, and older persons.
Dents1 in space, light in bundles2, and matter that turns into energy sound like science-fiction fantasies. However, Albert Einstein said they were real. Other scientists proved through observations3 that Einstein’s theories were right. Einstein revolutionized the science of physics and helped bring in the atomic age.
WHERE DID EINSTEIN GROW UP?
Albert Einstein was born in
Adolf Hitler was a struggling young artist who became a feared dictator. He led his country into a bloody war that killed millions of people.
Hitler rose to power in
Adolf Hitler was born in 1889. He came from a well-to-do family in