>>Balancing a scientific career with the atheism requires much harder challenge as science itself is based on the Christian worldview.<<
I'm pretty sure that Aristotle was not a Christian.
First he was not a scientist, he was a philosopher. The science as we know it was develo[ed in the Middle Ages by the Roman Catholic Church, yes using some ideas of Aristotle modified by scholasticism.
Second the philosophy of Aristotle was theocentric itself with God being the First Mover.