Abu Bakr as-Siddiq

Abu Bakr ibn Abi Quhafah, of Banu Taym of Quraysh, was a successful cloth merchant known in Makkah for honesty and for never having worshipped idols even before Islam. He and the Prophet ﷺ were close friends before the revelation, and when the Prophet ﷺ told him privately what had descended upon him in the cave of Hira, Abu Bakr accepted Islam on the spot — the first free adult man to do so.

His conviction was immediately put to work. Through his personal invitation, some of the most consequential early Muslims came to Islam — among them Uthman ibn Affan, Talhah, az-Zubayr, Sa’d ibn Abi Waqqas, and Abd ar-Rahman ibn Awf. He spent his wealth freeing enslaved Muslims who were being tortured for their faith, Bilal ibn Rabah the most famous among them.

When the Prophet ﷺ was commanded to migrate to Madinah, it was Abu Bakr he chose as his sole travelling companion. Hiding from the Quraysh search parties in the cave of Thawr, Abu Bakr grew afraid — not for himself, but for the Prophet ﷺ — and received the reassurance the Quran itself records: "do not grieve; indeed Allah is with us" (9:40).

In Madinah he was present at every major battle beside the Prophet ﷺ — Badr, Uhud, the Trench, Khaybar, the conquest of Makkah, Hunayn, and Tabuk, where he gave the whole of his wealth for the expedition. In the Prophet’s ﷺ final illness, he was the one appointed to lead the congregational prayers — read by the companions as the clearest sign of who should lead after him.

Chosen as caliph upon the Prophet’s ﷺ death in 11 AH, Abu Bakr held the community together at its most fragile hour. When tribes across Arabia broke away and refused the zakat, he refused any compromise on the completed religion and fought the Ridda (apostasy) wars until the peninsula was again united — over the initial hesitation of Umar himself, whom he famously answered with unshakeable firmness.

After heavy losses among Quran memorizers at the battle of Yamamah, he accepted Umar’s counsel and commissioned Zayd ibn Thabit to gather the Quran into a single written collection — the foundation of the mushaf later standardized under Uthman. He also launched the first campaigns into Iraq and Syria, setting in motion the expansion his successors completed. He ruled just over two years, died in 13 AH, and was buried beside the Prophet ﷺ.