Civilizations collide when the transcendental values that govern them are used to define identity. During the Crusades, the Christian belief that God was immanent in the person of Jesus Christ collided with the Islamic vision that God is transcendent. For the Christian world all that was holy and venerable was embodied in the Cross of the Holy Sepulcher on which Jesus is believed to have been...

Islam liberated men and women from the shackles of slavery and made them masters of the world. The history of the Mamlukes illustrates this observation. In the 9th and 10th centuries, there was a brisk slave trade down the Volga River, near the Caspian Sea. The Vikings raided Europe with unrelenting ferocity in search of booty and slaves. Eastern Europe, fossilized as it was between...

Abu al-Qasim Khalaf ibn al-Abbas Al-Zahrawi was born near Cordoba, Spain, when it was part of the Islamic Empire. He was a physician, surgeon and chemist. He is best remembered for his encyclopedia of medicine, the Al-Tasrif li man ajaz an-il-talif (An Aid for Those Who Lack the Capacity to Read Big Books), known as the al-Tasrif. This became a standard reference in Islamic and European...

Pivotal as Persia was in the political developments of Muslim Asia, its primary contribution was to preserve, reinvigorate and transmit the spiritual legacy of Islam through its language, art and architecture. While the Arabs provided the ideational foundation of the edifice of Islam, it was the Persians who adorned it with beauty and embellished it with spirituality. The primary medium for...