<span>The answer is Mary Leakey, FBA February 6, 1913- December 9, 1996 was a British Paleoanthropologist who discovered the first fossilized proconsul skull, and extinct ape which is now believed to be ancestral to humans. She also discovered the robust Zinjanthropus skull at Olduvai Gorge in Tanzania, eastern Africa. Hope it helps. :) </span>
Answer:
They were usually paid with units of bread and beer.
