the Athens Orthodox Cathedral, the Athens Academy e.a. Stergios Doumbas (Dumba) and Nikolaos Doumbas (1830-1900): Father and son, Vlachs from Vlasti , near Kozani , Macedonia ,. Stergios Doumbas was the co-founder and donator of the National Library, one of the three masterpieces of contemporary architecture that make up the Athenian