• Ibn baitar was a Botanist
• Kitab al Manazar on optical works was written by Ibn al Haitham
• Mamoon observatory was established during the reign of Caliph Mamoon
• Circulation of blood was described by a muslim scientist name Nafis Abdul al-Hasan.
• Al-Khwarizimi was first person who used zero.
• Muslim scientist Ali al Tabari is famous for his work on ___ (medical sciences)
• Al Beruni discovered that light travels faster than soun