Portrait of Hermann Oberth
Hermann Oberth was born in Transylvania, Romania. He was a physicist who lived between 1894-1989. At a young age, he read fantasy books about voyages to the moon, but became convinced that space travel was very possible.
Oberth studied rockets and wrote books on how they could be used to launch objects into space. He originated the idea of stages, which explained that once a fuel tank is empty, it should be dropped away so that its weight doesn't slow down the spaceship.
Last modified March 10, 2003 by Lisa Gardiner.
You might also be interested in:
How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more
For as long as there have been people on Earth, we have looked up at the sky and wondered about the Sun, Moon, stars, and spectacular events we saw there. But it is only in the past 40 years that we developed...more
Rockets burn fuel and expel it through a small opening, pushing the rocket in the opposite direction. They are able to reach the high speeds needed to leave Earth and travel into space. As the U.S. and...more
Richard Feynman was an American physicist who lived between 1918-1988. He is famous for his contributions in building the first nuclear bomb and for his work in understanding the way electrons behave....more
Stephen Jay Gould was an American biologist who was born in 1941. He revised Darwin's theory of evolution, showing that it isn't the gradual process everyone had thought. Gould was a professor at Harvard...more
Evelyn Granville is an American mathematician who was born in 1924. She was one of the first black women in the United States to receive a Ph.D. in mathematics. She has helped NASA's Space Shuttle program...more
Stephen Hawking is an English physicist who was born in 1942. He is famous for his work on black holes. Hawking suffers from a very serious illness and is confined to a wheelchair, unable to speak. He...more
Gerard Kuiper was an American astronomer who lived between 1905-1973. He is considered the father of modern planetary science for his brilliant study of our solar system. Kuiper developed new techniques...more