Early life
The grandson of publisher Daniel Macmillan, co-founder of Macmillan Publishers, Harold Macmillan was born in Chelsea, London in 1894. He attended Summer Fields School, then Eton College, and finally Balliol College, Oxford. During World War I he served with the Grenadier Guards and fought at the Battle of the Somme in 1916, an experience that shaped his political outlook.