Place the following discoverers in the correct chronological order of the timeframe for their discoveries, from earliest to most recent discoverer.

Pythagoras lived in ancient Greece, around the 6th century BCE, so he comes first. Gauss made his discoveries in the late 18th and early 19th centuries, followed by Edison in the 19th century and Hawking in the 20th century. The correct order is Pythagoras, Gauss, Edison, Hawking.

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