Guillaume Apollinaire
Two years after being wounded in World War I, Apollinaire died in the Spanish flu pandemic of 1918; he was 38.
Guillaume Depardieu
Guillaume Depardieu contracted a severe viral pneumonia while filming "The Childhood of Icarus" ("L'Enfance d'Icare"). He was unable to clear the infection, and on 13 October 2008, he died at the Garches hospital. He was 37 at the time of his death.