Question

father of geometry?

Answer 1

euclid

Answer 2

Euclid, but Archimedes made some important notions come to life before Euclid's Elements

Answer 3

Usually taken to be Euclid, in truth though the amount of the elements that is his as opposed to the work of others before him isn't really known.

It was the practice in those times for people to assemble together in a volume the works known up to that date.

Answer 4

Pythagoras