Win a BPS-approved textbook on evolutionary psychology

This competition is now closed. The answer was Herbert Spencer. 

We've got two copies of Evolutionary Psychology: A Critical Introduction by Dr Viren Swami to give away, kindly donated to us by Wiley-Blackwell.

For your chance to win, answer the following question: Who first coined the phrase "Survival of the fittest"?

Post the answer to us on Twitter (mention @researchdigest and use the hashtag #Swamicomp) or post the answer as a comment to this post (if you use the comment option, please provide a way for us to contact you).

At the end of the week, we'll pick randomly one correct answer from all entries on Twitter and one correct answer from the comments section of this blog post. 

Good luck! 

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