Explanation

Hazrat Abu Bakar Siddique (R.A) is generally cited as the first to take advantage of Wahi's calligraphy in an organizational sense. Hazrat Usman (R.A) was known for his administration but not specifically for this initial act. Hazrat Khalid bin Saeed bin Alaas (R.A) is not commonly associated with this specific historical detail. Hazrat Umar (R.A) played a major role in Islamic governance, but the primary attribution here goes elsewhere.