Ronald Melzack

Ronald Melzack, (July 19, 1929 – December 22, 2019) was a Canadian psychologist and emeritus professor of psychology at McGill University. He was known for his pain research by introducing the gate control theory of pain. 
He was a founding member of the International Association for the Study of Pain. He also became the founding editor of "Wall &amp; Melzack's Textbook of Pain"
Melzack had many honors including Prix du Québec (1994), the Order of Canada (1995), and the National Order of Quebec (2000). In 2010, he won the Grawemeyer Award for his research on the science of pain.