Related Clues:

• The "Father of Geometry"
• Cryptic clue I finally solved (being brilliant at maths)
• Number theory pioneer
• Greek mathematician considered the father of geometry
• "Elements" writer
• Geometer who wrote 'Optics'
• Sign reversed by top Greek mathematician ...
• Geometrician of the 3rd century BC
• Setter clued puzzle for mathematician
• Mathematician known as the founder of geometry
• 8's signal up top
• Geometry pioneer
• Greek mathematician, d. mid-3rd century BC
• Noted figure in Raphael's 'The School of Athens'
• University College may be accepted by reformed idle mathematician