Alan Harvey Guth (born 27 February, 1947) is a physicist and cosmologist. Guth has researched elementary particle theory (and how particle theory is applicable to the early universe). In particular he discovered and developed the theory of cosmic inflation.
- It is said that there’s no such thing as a free lunch. But the universe is the ultimate free lunch.”
- Alan Guth, quoted by S. Hawking in “A Brief History of Time" pg 129