عمرو بن عبيد أبو عثمان

Amr ibn Ubayd ibn Bab, a client of the Banu Tamim, known as Abu Uthman. He was among the shaykhs of the Mu'tazila and of the companions of Wasil ibn Ata. He died in the days of al-Mansur in 144 AH, and it is said 145 AH. ²

Al-Mas'udi relates a saying of his about Umar ibn Abd al-Aziz: that he took the caliphate without its right, and then deserved it by justice when he took it. ³ Al-Mas'udi also has reports of him with al-Mansur. ²

A report in Ibn al-Nadim says that he withdrew from the session of Qatada after the death of al-Hasan, and Qatada called his group the Mu'tazila. ⁴ In another place there is a report of his finding fault with Wasil for his long neck, Wasil's answer, and their debate. ⁵

The data need an additional source: each report above rests on a single source.