Richard P. Feynman Quotes
Although it is uncertain, it is necessary to make science useful. Science is only useful if it tells you about some experiment that has not been done; it is not good if it only tells you what just went on.
Feynman, Richard P. The Meaning of It All: Thoughts of a Citizen-Scientist. Perseus Books, 1998, p. 24.
Von Braun never really did any basic research, and although a brilliant engineer and technologist who was instrumental in rocket development, he never made any contribution to science. Basic research has the greatest long term benefit and effect on human knowledge and standard of living, but applied science can have more short range utility.
Richard Phillips Feynman was an American theoretical physicist and Nobel Prize winner who made significant contributions to quantum mechanics, quantum electrodynamics, and particle physics. He's known for his work on the Manhattan Project, developing Feynman diagrams, and explaining the interactions between light and matter. While studying for his PhD, Feynman participated in the Manhattan Project and helped develop the atomic bomb. For contributions to the development of quantum electrodynamics, Feynman received the Nobel Prize in Physics in 1965 jointly with Julian Schwinger and Shin'ichirō Tomonaga.