Marwan Ibrahim Al-Kaysi: Born in 1950 at Irbid, Jordan, he was educated at Sharia College in Amman, Al-Karawiyin University in Morocco and Manchester University in the UK. During 1978, he held the position of Director of Education in the ministry of Islamic Affairs in Amman.In 1980, he was appointed Lecturer of Islamic Culture in the University of Yarmouk at Irbid. His works include Realization of Tawhid. Abridgement of Sharh Al-‘Aqida Tahawiya, Studies in the Family in Islam and Islam and Sex, all in Arabic.