Born in Rigaud in 1935,Church Records and Vital Statistics of Quebec (Drouin Collection), 1621 to 1968, ancestry.ca. Retrieved 8 January 2019. Jean Dumontier was hired by the city of Montreal in the 1960s, joining the team of architects who developed the Montreal Metro in 1962. He was entrusted with the design of stations that would serve Expo 67, Île-Sainte-Hélène and Longueuil (today Jean-Drapeau and Longueuil-Université-de-Sherbrooke). He also created the murals of the Jean-Drapeau station, representing the Titan Atlas and recalling the theme of Expo 67, "Man and His World" (Terre des Hommes).
