Quote of the day
What we observe is not nature itself but nature exposed to our method of questioning. Our scientific work in physics consists in asking questions about nature in the language that we possess and trying to get an answer from experiment by the means that are at our disposal.
Pappus of Alexandria

Born: 290
Died: 350 (aged 60)
Bio: Pappus of Alexandria was one of the last great Greek mathematicians of Antiquity, known for his Synagoge or Collection, and for Pappus's hexagon theorem in projective geometry.