Douglas Ross Hyde, known as An Craoibhín Aoibhinn, was an Irish academic, linguist, scholar of the Irish language, politician, and diplomat who served as the first President of Ireland from June 1938 to June 1945. He was a leading figure in the Gaelic revival, and the first President of the Gaelic League, one of the most influential cultural organisations in Ireland at the time.

Irish, also known as Irish Gaelic or simply Gaelic, is a Goidelic language of the Insular Celtic branch of the Celtic language group, which is a part of the Indo-European language family. Irish is indigenous to the island of Ireland and was the population's first language until the 19th century, when English gradually became dominant, particularly in the last decades of the century. Today, Irish is still commonly spoken as a first language in areas of Ireland collectively known as the Gaeltacht, in which only 2% of Ireland's population lived in 2022.