Aka Mkhan chen Kun bzang gang shar rang grol dbang po. Notice that Kun bzang gang shar rang grol is a name of Rtogs ldan Shākya shrī (1877-1919).
Teacher of Drung pa Chos rgyam (Chogyam Trungpa), his collected teachings have been compiled and published (Kathmndu 2008), the content listed at TBRC website.