Both the colleague of the paleoanthropologist who constructed the turnover-pulse hypothesis and Ann Beattie have the profession of writer in common. The paleoanthropologist and her colleague coined the word exaptation.
 He was also one of the most influential and widely read writers of popular science of his generation. 
Ann Beattie (born September 8, 1947) is an American novelist and short story writer. 
 She is well known for developing the Turnover Pulse Hypothesis, as well as coining the word exaptation with colleague Stephen Jay Gould. 
The turnover-pulse hypothesis was constructed by paleoanthropologist Elisabeth Vrba, and is used to gauge the rate of survival and adaptation within species. 
