Ibn Sina, also known as Avicenna, was a Persian polymath and philosopher born in 980 in Afshana, near Bukhara. He became a renowned physician and wrote extensively on philosophy, science and logic. Some of his most influential works include The Book of Healing and The Canon of Medicine. Ibn Sina integrated Aristotelian philosophy with Islamic theology and made major contributions in medicine, philosophy and science. He is considered one of the most influential thinkers of the Islamic Golden Age and in the present day is regarded as a national icon in Iran, Afghanistan and Tajikistan.