This is no longer held by most western medievalists/orientalists/etc. let alone by the descendant of the peoples of concern. There are too many references, but

This is no longer held by most western medievalists/orientalists/etc. let alone by the descendant of the peoples of concern. There are too many references, but here is one to start with: https://mitpress.mit.edu/books/islamic-science-and-making-european-renaissance https://mitpress.mit.edu/books/islamic-science-and-making-eu...