Who among the following proposed the Cosmic Inflation theory?

Q. Who among the following proposed the Cosmic Inflation theory?
Answer: Alan Guth
Notes: The Cosmic inflation theory is proposed by Alan Guth. According to this theory, the universe after the Big Bang event, expanded very rapidly - much faster than the speed of light. And a fraction of a second later this expansion slowed down, the universe continued to expand, but at a much slower rate.

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