2. Introduction H.H. Sheikh Zayed Bin Sultan Al Nahyan was born in o1918 . He was the ruler of Abu Dhabi and president of the UAE for over 30 years (1971-2004). He spent the rest of his youth in al-ain city after his father died in 1927. he underwent religious education, and learned the Noble Quran and was deeply moved by the biography of Prophet Muhammad. After that he became the ruler of Abu Dhabi. Abu Dhabi was poor and undeveloped and its economy was based upon fishing and pearl diving along the coast. The economy suffered when the market for Gulf pearls collapsed in the 1930s after Japanese scientists invented the cultured pearl. At this point, the first oil company teams came to carry out geological surveys, and Zayed was appointed to guide them around the desert.