Lieutenant Colonel John By

Lieutenant-Colonel John McCrae (November 30, 1872 – January 28, 1918) was a Canadian poet, physician, author, artist and soldier during World War I and a surgeon during the Second Battle of Ypres, in Belgium. He is best known for writing the famous war memorial poem "In Flanders Fields". McCrae died of pneumonia near the end of the war. His famous poem is a threnody, a genre of lament.