Why was Bertrand Russell famous?   Bertrand Russell was a British philosopher who lived from 1872 to 1970. In the first half of his long life, he developed ways of using logic to build knowledge and he provided a logical basis for the principles of mathematics. But Russell was also a man who dearly loved people as well as ideas. He spoke out against war and defended the right of people...

Why is Karl Marx important? Karl Marx was a German writer and philosopher who lived from 1818 to 1883. He saw that people were not equal; that emperors and nobles held power over the majority of people in many countries such as Russia, and that many employers grew rich through the exploitation of their workers. Marx wanted to change things to make all people equal. He helped to found the ideas...