Jamay-ul-Azkaar is a collection of names of Allah Subhanahu wa Taalaa to recite repeatedly. 
Hazrat Bahrululoom Rh.A. emphasized the remembrance of Allah and defined the Arabic word "Zikr" as "to not forget."
Hazrat Abul Faiz Maulvi Muhammad Anwaaruddin Siddiqui (Rh.A.) happens to be his maternal grandson and khalifa, who compiled Ratib-e-Qadeeri in 1391 Hijri.