What Did Hassan Nsar Discover?

I guess you are talking about Hassan Nasr who is the professor of mathematics and is the head of department of Mathematical and physical science in the Benha Higher institute of technology in Egypt. Professor Hassan Nsar has received the "Winning Egyptians State Incentive" Reward by the government for Science in 1992. In 1995 Professor Hassan received the Excellency Rank of the First Class. Professor Hassan's name has been registered in the Apparent Egyptian National Encyclopaedia. He is considered as a "Who is Who" issued by the General Information Agency in 1992.