Muhammad Natsir, who was regarded as one of Indonesia’s National heroes and one of the nation’s earliest Prime Ministers, and Amin Djamaluddin as the Founder of Yayasan Islam Al-Qalam Amanah Ummat, speaking at the inauguration of Al Qalam Mosque, Depok, in 1991. The purpose of the mosque was to be the initiative for Al Qalam Islamic Foundation in its quest of Islamic preaching through education.