Name a few scientists / explorers /social reformers / inventors / discoverers, who spent most of their lives to find solutions to some major problems / setbacks, that mankind faced.
Answers
1. Thomas Alva Edison who discovered the electric bulb.
2. Columbus who discovered America.
3. Neil Armstrong was the first man on earth to land on moon.
4. Alexander Fleming invented Penicillin which saved us from infectious disesases.
5. James Watt who discovered steam engine.
6. Benjamin Franklin invented electricity.
7. Charles Babbage invented computers which became a huge part of our life.
8. Alexander Graham Bell who invented telephone.
1. Robert Hooke invented balance spring and a machine that cut teeth for cogs.
2. Benjamin Franklin invented electricity.
3. Raja Ram Mohan Roy abolished sati pratha, caste system.
4. Swami Dayanand was against untouchability and child marriage.
5. Vasco da gama explored the route to India. 6.Neil Armstrong was the first man to walk on the moon.