I think <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Alhazen" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Alhazen</a> deserves to be better known and I am forever intrigued by Omar Khayam.
Those so called &quot;Dark ages&quot; was a very Christian thing. At that time Islam was doing pretty well by many standards of modernity, better than most of Europe.