Sa`d Ibn Abi Waqqas
Saad ibn Abī Waqqās (Arabic: سعد بن أبي وقاص) was an early convert to Islam in 610-11 and one of the important companions of the Islamic prophet Muhammad. Sa'd was the seventeenth person to embrace Islam at the age of seventeen. He is mainly known for his commandership in the conquest of Persia in 636, governorship over it, and diplomatic sojourns to China in 616 and 651.