Samuel David Luzzatto, Italian poet and scholar (d. 1865)
Samuel David Luzzatto (Hebrew: שמואל דוד לוצאטו, Italian pronunciation: [ˈsaːmwel ˈdaːvid lutˈtsatto]; 22 August 1800 – 30 September 1865), also known by the Hebrew acronym Shadal (שד״ל), was an Italian Jewish scholar, poet, and a member of the Wissenschaft des Judentums movement.