According to Wikipedia,
Dr. Diongu Badaturuge Nihalsingha was an accomplished Sri Lankan film director, cinematographer, editor, producer. He was noted for his versatility : as a film cameraman, as a film director, as a television director, as an administrator, and as a teacher. He is a pioneer who introduced professional television production to Sri Lanka , commencing with Sri Lanka's and South Asia's first color teledrama, Dimuthu Muthu. He was the founding Chief Executive Officer and General Manager of Sri Lanka's National Film Corporation and a distinguished alumni of the then University of Ceylon, Peradeniya . He is the only Sri Lankan who has been conferred Life Fellowship of the Society of Motion picture and Television Engineers USA, the oldest film organisation in the world, established in 1915. The Society determines film and television standards worldwide.
D. B. Nihalsinghe is affiliated with the following schools: