Which renowned mathematician served as the first official brand ambassador for Texas Instruments' graphing calculators in their groundbreaking 1995 'Calculating Minds' campaign?

The world of mathematics education has seen strategic partnerships between calculator manufacturers and renowned mathematicians to promote their products. These brand ambassadors help companies connect with students, educators, and professionals while adding credibility to their mathematical tools. Test your knowledge about these notable partnerships that have influenced the calculator industry and mathematics education landscape.

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Dr. Katherine Johnson (NASA mathematician featured in 'Hidden Figures')
Dr. John Conway (creator of the Game of Life and Princeton professor)
Dr. Benoit Mandelbrot (pioneer of fractal geometry)
Dr. Andrew Wiles (solver of Fermat's Last Theorem)