(1) Greek geometer ( 3 rd century BC ).

(2) A geometer like Riemann might almost have foreseen the more important features of the actual world.

(3) How do the mental processes of the geometer or algebraist compare with those of the musician, the poet, the painter, the chess player?

(4) Investigations in Shanghai reveal that three generation of euonymus geometer occur inthe course of a year, with the pupa surviving the winter underground.

(5) The adorable inchworm is really the caterpillar of the geometer moth.

(6) Pythagoras, who is remembered for his theorem about the sides of a right-angled triangle, lived around 540 BC, while Euclid, the best known geometer of the ancient world, lived around 300 BC.