Scarce original color 26 x 40 test proof of the Apple Computer, Inc. dealer poster promoting the Macintosh software application Mathematica by Wolfram Research, which depicts a large stylized portrait of theoretical physicist Albert Einstein with a speech bubble saying "WOW," and a lower chalkboard margin reading: "Macintosh + Mathematica = ∞." The Apple rainbow logo is present below. The main poster image is bordered in white, with the right margin featuring color test bars. In fine condition.
