Charles Marcel Poser was an American neurologist. He was a Fellow of the Royal College of Physicians of Edinburgh (FRCPE). Poser was born on December 30, 1923, in Antwerp, Belgium. He died on November 11, 2010 in Boston, Massachusetts. After the war, he finished his degree at CCNY, and earned a medical degree at the Columbia Medical School. After earning his medical degree, he was a resident in Neurology at the New York Neurological Institute of Columbia-Presbyterian Medical Center, where he worked under H. Houston Merritt.