Sheikh Bahaii

Baha al-Din Muammad ibn usayn al-Amili (also known as Shaykh-i Bahai, Persian : , Arabic : ) (18 February 1547 - 1 September 1621 ) was a scholar, philosopher, architect, mathematician, astronomer and a poet in 16th-century Iran. He was born in Baalbek, Lebanon but immigrated in his childhood to Safavid Iran with his father. He was one of the earliest astronomers in the Islamic world to suggest the possibility of the Earth's movement prior to the spread of the Copernican theory. He is considered one of the main co-founders of Isfahan School of Islamic Philosophy. In later years he became one of the teachers of Mulla Sadra.