Which famous mathematician did Texas Instruments feature in their groundbreaking 1990s advertising campaign that helped make the TI-83 graphing calculator a classroom standard?

Texas Instruments has been a cornerstone in both mathematics education and consumer electronics for decades. Their calculators are found in classrooms worldwide, but the company's marketing strategies have evolved dramatically over time. This poll tests your knowledge about one of the most successful product marketing campaigns in mathematics education history.

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John Nash, whose game theory work was featured in commercials showing how the calculator could solve complex equations
None - TI never used mathematician endorsements but instead focused on teacher training programs and educational partnerships
Stephen Hawking, who demonstrated how the calculator could perform calculations related to his cosmological theories
Andrew Wiles, whose proof of Fermat's Last Theorem was used to showcase the calculator's advanced functions