Isaac of Nineveh also remembered as Isaac the Syrian and Isaac Cyrus was a Seventh century bishop and theologian best remembered for his written work. He is also regarded as a saint in the Eastern Orthodox Church, which the feast day of Jan...

Al-Mansur was the second Abbasid Caliph from 136 AH to 158 AH (754 AD – 775 AD). He is generally regarded as the real founder of the Abbasid Caliphate. In 762 he founded as new imperial residence and palace city Madinat as-Salam (the cit...

Al-Khwarizmi was a Persian scholar who produced works in mathematics, astronomy, and geography. Around 820 AD he was appointed as the astronomer and head of the library of the House of Wisdom in Baghdad. Al-Khwarizmi's popularizing treat...

Al-Farabi was a renowned scientist and philosopher of the Islamic Golden Age. He was also a cosmologist, logician, and musician. Through his commentaries and treatises, Al-Farabi became well known among medieval Muslim intellectuals as "...

Abu 'l-Qasim Ferdowsi Tusi, or Ferdowsi was a Persian poet and the author of Shahnameh ("Book of Kings"), which is the world's longest epic poem created by a single poet, and the national epic of Greater Iran. Ferdowsi is celebrated as t...

Alhazen (Ibn al-Haytham) was a Muslim scientist, polymath, mathematician, astronomer and philosopher, described in various sources as either Persian or Arab. He made significant contributions to the principles of optics, as well as to physi...

Avicenna is the Latinate form of Ibn-Sina. He was a Persian polymath regarded both in Europe and the Middle East as one of the most significant thinkers and writers of the Islamic Golden Age. He is known to have written around 450 works acr...

Alp Arslan was the second Sultan of the Seljuq Empire and great-grandson of Seljuq, the eponymous founder of the dynasty. His real name was Muhammad bin Dawud Chaghri, and for his military prowess, personal valour, and fighting skills he ob...

Omar Khayyam was a Persian mathematician, astronomer, philosopher, and poet. He was born in Nishabur, in northeastern Iran, and spent most of his life near the court of the Karakhanid and Seljuq rulers in the period which witnessed the Firs...

Al-Ghazali known as Algazel to the western medieval world, born and died in Tus, in the Khorasan province of Persia (modern day Iran). He was a Muslim theologian, jurist, philosopher, and mystic of Persian origin and remains one of the most...

Bohemond I, Prince of Taranto and Prince of Antioch, was one of the leaders of the First Crusade. The Crusade had no outright military leader, but instead was ruled by a committee of nobles. Bohemond was one of the most important of these l...

Baldwin I of Jerusalem, was one of the leaders of the First Crusade, who became the first Count of Edessa and then the second ruler and first titled King of Jerusalem. He was the brother of Godfrey of Bouillon, who was the first ruler of th...

Manuel I Komnenos, Latinized Comnenus, also called Porphyrogennetos ("born in the purple"), was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean. His reign sa...

Saladin was the first Sultan of Egypt and Syria and the founder of the Ayyubid dynasty. A Muslim of Kurdish origin, Saladin led the Muslim opposition to the European Crusaders in the Levant. At the height of his power, his sultanate include...

Guy of Lusignan was a Poitevin knight, son of Hugh VIII of the prominent Lusignan dynasty. He was king of the crusader state of Jerusalem from 1186 to 1192 by right of marriage to Sibylla of Jerusalem, and of Cyprus from 1192 to 1194. Havin...