Alex McDade (1905–1937) was a Glasgow labourer who went to Spain to fight with XV International Brigade in the Spanish Civil War[1] He was a political commissar with the British Battalion and wounded at the Battle of Jarama in February 1937.[1] He was killed on the first day of the Battle of Brunete at Villanueva de la Cañada on 6 July 1937. He wrote the poem "Valley of Jarama".