Question:
Who was the head of Hasnon in Oct, 1941?

Context:
 Yannick Nison is the head of the government of Hasnon from Jul, 1991 to May, 2020. 
 Clément Larivière is the head of the government of Hasnon from Dec, 1919 to Dec, 1921. 
 Edmond Desprez is the head of the government of Hasnon from Oct, 1944 to Mar, 1959. 
 Jean Delœil is the head of the government of Hasnon from Mar, 1977 to Jul, 1991. 
 André Desmedt is the head of the government of Hasnon from May, 2020 to Dec, 2022. 
 Désiré Grudenaire is the head of the government of Hasnon from Sep, 1941 to Oct, 1944. 
 Adolphe Fauverque is the head of the government of Hasnon from Dec, 1921 to May, 1925. 
 Jean-Marie Ballé is the head of the government of Hasnon from Mar, 1971 to Mar, 1977. 
 Louis Louis is the head of the government of Hasnon from May, 1925 to May, 1935.

Answer:
Désiré Grudenaire