Question:
Who was the chair of International Olympic Committee in Feb, 1980?

Context:
 Jacques Rogge is the chair of International Olympic Committee from Jan, 2001 to Jan, 2013. 
 Avery Brundage is the chair of International Olympic Committee from Jan, 1952 to Jan, 1972. 
 Thomas Bach is the chair of International Olympic Committee from Sep, 2013 to Dec, 2022. 
 Sigfrid Edström is the chair of International Olympic Committee from Jan, 1946 to Jan, 1952. 
 Dimitrios Vikelas is the chair of International Olympic Committee from Jan, 1894 to Jan, 1896. 
 Henri de Baillet-Latour is the chair of International Olympic Committee from Jan, 1925 to Jan, 1942. 
 Juan Antonio Samaranch is the chair of International Olympic Committee from Jan, 1980 to Jan, 2001. 
 Godefroy de Blonay is the chair of International Olympic Committee from Jan, 1916 to Jan, 1919. 
 Michael Morris, 3rd Baron Killanin is the chair of International Olympic Committee from Jan, 1972 to Jan, 1980. 
 Pierre de Coubertin is the chair of International Olympic Committee from Jan, 1919 to Jan, 1925.

Answer:
Juan Antonio Samaranch