Guillaume Apollinaire
Two years after being wounded in World War I, Apollinaire died in the Spanish flu pandemic of 1918; he was 38.
Alain de Lille
Alain de Lille (Latin: "Alanus ab Insulis"; 11281202/03) was a French theologian and poet. He was born in Lille, some time before 1128. His exact date of death remains unclear as well, with most research pointing toward it being between 14 April 1202, and 5 April 1203.