Denis was a professor of cognitive psychology with an international career, mainly in Algeria. He was a knight of arts and letters, decorated by the Minister of Culture.
He married Mireille in 1969 and lived a beautiful fusion love story. His son, his twins, his sister and the whole family are proud of him. He fought to the end against a terrible disease. If in appearance, he lost the battle, he won by maintaining a dignity and a joy of living until his last breath. He was able to die at home, his son by his side.