Abdel Aziz Ali Abdul Majid alRantisi , nicknamed the Lion of Palestine, was the cofounder of the Palestinian movement Hamas along with Sheikh Ahmed Yassin.
Rantisi was born in Yibna, near Jaffa onOctober 1947. In 1948 ArabIsraeli War, his family was expelled to the Gaza Strip. In 1956, when he was nine, Israeli soldiers killed his uncle in the Khan Younis massacre as he explained to Joe Sacco, this fact was very important for his future life. He studied pediatric medicine and genetics at Egypts Alexandria University, graduating first in his class. He was a certified physician. In his time in Egypt he became a deeply convicted member of the Muslim Brotherhood. In 1976, he returned to Gaza to teach parasitology and genetics at the Islamic University.
Source: Wikipedia