Not.
No.
Yes, Pythagoras is a mathematician.
Pythagoras.
pythagorus was a mathematician
mathematician
Pythagoras was an ancient scientist & mathematician, not royalty.
he created the Pythagoras theorem
He was the discoverer of the Pythagoras' Theorem.
It was the ancient mathematician Pythagoras
Pythagoras, a greek mathematician (570BC-495BC)
Pythagoras
Pythagoras was philosopher, mathematician and founder of a religious group