Rashad Khalifa, Egyptian-American biochemist and scholar (d. 1990)
Rashad Khalifa (Arabic: رشاد خليفة; November 19, 1935 – January 31, 1990) was an Egyptian-American biochemist, closely associated with the United Submitters International (USI), an offshoot of Quranist Islam. His teachings were opposed by Traditionalist Muslims and he was assassinated on January 31, 1990. He is also known for his claims regarding the existence of a Quran code, also known as Code 19.