Kamal-ud-Din Abd-ur-Razzaq ibn Ishaq Samarqandi, (1413–1482), was a Persian chronicler and Islamic scholar. He was the ambassador of Shah Rukh, the Timurid dynasty ruler of Persia to Calicut, India, from January 1442 to January 1445. He chronicled in his Matla-us-Sadain wa Majma-ul-Bahrain (The Rise of the Two auspicious constellations and the Confluence of the Two Oceans), the life and events in Calicut under the Zamorin and also of the Ancient City of Vijayanagara at Hampi, describing their wealth and immense grandeur. He also left vivid accounts of the thriving shipping trade in the Indian Ocean during the 14th and 15th centuries. Abd-ur Razzaq was born in Herat on 7 November, 1413. His father Jalal-ud-Din Ishaq was the qazi and imam of the Shah Rukh's court in Herat. He studied with his father and his elder brother Sharif-ud-Din Abdur Qahhar and together with them obtained a ijazah (license) from Shams-ud-Din Mohammad Jazari in 1429. After the death of his father in 1437, he was appointed the qazi of the Shah Rukh's court.