In the Episode of The Big Bang Theory, The Cooper-Hofstadter Polarization, Leonard mentions that Sheldon got his Ph.D. at the age of 16.

However in the episode of The Jerusalem Duality, Sheldon mentions that he got the Stevenson award at the age of 14 and a half.

So, why does this award mention Sheldon Lee Cooper, Ph.D. as he got his Ph.D. at the age of 16?

Here is a screenshot. (though I could not get the clear one.)

enter image description here

  • 2
    I watched this episode multiple times, but I got my eyes on it this time. By the way, he got two doctorates and one Sc.D. Probably Leonard was referencing one of them.
    – A J
    Commented Jul 24, 2016 at 3:41
  • With any authority? Maybe if someone tweets the production.
    – cde
    Commented Aug 25, 2016 at 16:53
  • To be honest I can't even see where it's mentioned on award.
    – Rahul
    Commented Jan 8, 2018 at 18:10
  • @Rahul It's in the image. I'll try to get a better picture.
    – A J
    Commented Jan 10, 2018 at 8:11
  • @AJ: I tried looking up in The Jerusalem Duality but it's not clear. Might be you can get it from another episode.
    – Rahul
    Commented Jan 10, 2018 at 9:13

1 Answer 1


Quoting from Wikia:

The room also has Sheldon's Stevenson Award, framed near the door inside (the certificate is signed incorrectly Sheldon Lee Cooper, Ph.D., as he had not yet received a doctorate when he was the recipient).

So that seems to be a mistake.

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