(c.260–190 BC), Greek mathematician; known as Apollonius of Perga. He examined and redefined the various conic sections and was the first to use the terms ellipse, parabola, and hyperbola for these classes of curve.
(3rd century BC), Greek poet and grammarian; known as Apollonius of Rhodes. He wrote "Argonautica", an epic poem in Homeric style.
We take a look at several popular, though confusing, punctuation marks.