This was discovered by a few people. Warren Tay was the one that discovered a cherry spot on the retina in 1881, which is another sign of Tay-Sachs. Bernard Sachs gave the first description cellular change. The missing enzyme causing this disease was discovered by Dr. Shintaro Okada and Dr. John S. O'Brien
Common symptoms include: ability to hear, see or move is lost, smiling, crawling, turning over and reaching out stops. Basically, it stops/rewinds the development of a baby's growth. As of now, there aren't any treatments, but scientists has been trying different ways in hopes of a treatment. For the time being, there is therapy to alleviate some of the pain.
This is important because this disease limits how long a child (Classic Infantile) would actually live without it. It also leaves the family devastated for not only having their own child die, but at that young of an age.
