Marwan ibn al-Hakam

Scribe of the Caliph

Marwan ibn al-Hakam was a cousin of Uthman and served as his chief scribe through the most troubled years of his caliphate. 1 History of Islam · Vol 1 · pp. 419, 422 — Najeebabadi — Marwan as Uthman's cousin and chief scribe. With al-Miswar ibn Makhrama, he is a joint transmitter of the long narration of the Treaty of Hudaybiyya preserved in the books of hadith. 2 Hayatus Sahaba · Vol 1 · pp. 77–79 — Kandhlawi — Marwan and al-Miswar ibn Makhrama narrating the Hudaybiyya account.

Governor of Madinah

As governor of Madinah under Mu’awiya, he tested Abu Hurayra’s consistency by recording his hadith once and asking him to recite them again a year later — finding the two narrations identical. 3 Hayatus Sahaba · Vol 3 · pp. 307 — Kandhlawi — Marwan tests Abu Hurayra's hadith consistency a year apart and finds them identical. He briefly became caliph at the close of his life, and died in Damascus.