Hippolyte Aucouturier? No, he rode multiple GTs and finished in the top 10 once officially.
Albert Champion? No, cause Champion died before WWII
Ever raced a GT? No
Top ten in a GT? No
Died before WWII? No
Died before the end of WWII? Yes
Di(e)d in WWII? No
Raced since 01/01/2000? No
Red, White and Blue (and nothing else) flag? Yes
Born south of Zürich? No
Works in some sort of pro cycling related role? No
Male? Yes
Active? No
European? Yes
Alive? No
Raced after 1/1/80? No, if you mean 1980
Is all of his country of birth located north of Zürich? No
Raced before 1/1 1880? No
Raced before 1/1 1900? Yes
Raced after WWI? No