Antoine Thomson d'Abbadie, Irish-French geographer, ethnologist, linguist, and astronomer (b. 1810)
Antoine Thomson d'Abbadie d'Arrast (3 January 1810 – 19 March 1897) was an Irish-born French explorer, geographer, ethnologist, linguist and astronomer notable for his travels in Ethiopia during the first half of the 19th century. He was the older brother of Arnaud-Michel d'Abbadie, with whom he travelled.