Ibn Ishaq

Abu Abd Allah Muhammad ibn Ishaq ibn Yasar al-Muttalibi (Arabic: أَبُو عَبْدِ ٱلله مُحَمَّد ٱبْن إِسْحَاق ٱبْن يَسَار ٱلْمُطَّلِبيّ, romanized: Abū ʿAbd Allāh Muḥammad ibn ʾIsḥāq ibn Yasār al-Muṭṭalibī; circa.699-767, known simply as Ibn Ishaq, was an 8th-century Muslim and Arabhistorian and hagiographer who collected oral traditions that formed the basis of an important biography of the Islamic prophet Muhammad. His biography is known as the Al-Sirah al-Nabawiyyah, and it has mainly survived through several recensions.

Notable works: Al-Sirah al-Nabawiyyah (Ibn Ishaq)

Source: Wikipedia — https://en.wikipedia.org/wiki/Ibn_Ishaq