2. Pappus of Alexandria Pappus was a Greek. He was one of the last great Greek mathematicians of Antiquity. He is known for Synagoge or collection of theorem like his theorem Pappus's Theorem in projective geometry
4. Work The great work of Pappus, in eight books and entitled Synagoge or Collection, we possess only in an incomplete form, the first book being lost, and the rest having suffered considerably.