Shaykh Shahab al-Din Abu Hafs Umar Suhrawardi ( c.1145-1234) was a Kurdish or Persian Sufi and nephew of Abu al-Najib Suhrawardi. He expanded the Sufi order of Suhrawardiyya that had been created by his uncle Abu al-Najib Suhrawardi, and is the person responsible for officially formalizing the order. Suhrawardi is the author of the Awarif ul-Maarif, which is recognized as a masterpiece work in Tasawwuf.