Social Reform or Revolution was written by the theorist who was of what descent?
Social Reform or Revolution:  is an 1899 pamphlet by Polish-German Marxist theorist Rosa Luxemburg. Rosa Luxemburg:    (also "Rozalia Luxenburg"; Polish: "Róża Luksemburg" ; 5 March 1871 – 15 January 1919) was a German-Polish Marxist theorist, philosopher, economist, anti-war activist, and revolutionary socialist of Polish-Jewish descent who became a naturalized German citizen.
Polish-Jewish