Yahya Ayyash
Yahya Ayyash (Arabic: يحيى عياش, romanized: Yaḥyā ʿAyyāš, pronounced [jaħjaː ʕajːaʃ]; 6 March 1966 – 5 January 1996) was the chief bombmaker of Hamas and the leader of the West Bank battalion of the Izz ad-Din al-Qassam Brigades. In that capacity, he earned the nickname "the Engineer" (Arabic: المهندس, romanized: al-Muhandis).