The Apotheosis of Athanasios DiakosThe Apotheosis of Athanasios Diakos is an oil painting by Konstantinos Parthenis created in 1933. The oil painting is exhibited at the National Gallery of Greece.ThemeAthanasios Diakos was a freedom fighter for Greek independence, who was executed in 1821 by the Ottoman Empire by impalement following the Battle of Alamana.AnalysisThe painting shows a secular subject in a religious composition, with a cubist style.