encyclopedia Baha' ad-Din al-`Amili http://en.wikipedia.org/wiki/Baha'_ad-Din_al-`Amili A manuscript by Shaykh Bahai Shaykh Baha' ad-Din al-`Amili ,   Shaykh Bahai   or   Sheykh Bahaee   ( Persian :   ÔیÎ ÈåÇیی ) (February 1547 - 30 August 1621) was a   scholar ,   philosopher ,   architect ,   mathematician ,