Which companion's opinion led to the compilation of the Quran in one volume?
Q1. Which companion's opinion led to the compilation of the Quran in one volume?
Answer: Umar ibn al-Khattab (RA)
Explanation: It was Hazrat Umar ibn al-Khattab (RA) who strongly advocated for and persuaded Abu Bakr (RA) to compile the scattered Qur'anic text into one official mushaf after the deaths of many huffaz at Yamama.