History of MSA-Multiple System Atrophy is very rarely known to people. MSA was discovered by by Dr. Milton Shy and Dr. Glen Drager and thus named as Shy Drager Syndrome. MSA disease is a neurological disease occurs due to degeneration of certain nerve cells in the brain and spinal cord. For Support call us at 866-737-4999 or visit http://www.multiplesystematrophy.org/.