History. During the Late Middle Ages, plate armour was expensive and tailor-made for the wearer. Consequently, it was generally reserved for nobility.During the English Civil War, a cuirassier's armour could weigh between 32 and 45 kilograms (71 and 99 lb), making this form of armour prohibitively costly and heavy. For these reasons, full plate armour started to disappear during …

Biography. Ibn al-Nafis was born in 1213 to an Arab family probably at a village near Damascus named Karashia, after which his Nisba might be derived. Early in his life, he studied theology, philosophy and literature. Then, at the age of 16, he started studying medicine for more than ten years at the Nuri Hospital in Damascus, which was founded by the Turkish Prince Nur-al Din …