I'd guess that wink is hinting that Yann LeCun might've had something to do with this research. Whether that's true or not, I have no idea.
(Yann LeCun is a Turing award winner for his work in deep learning)
(Yann LeCun is a Turing award winner for his work in deep learning)
Also, I know too many angry grad students to believe that contributors always get credit.