The national economy grew significantly through agrarian reform, major modernization projects such as the Helwan steel works and the Aswan Dam, and nationalization schemes such as that of the Suez Canal. However, the marked economic growth of the early 1960s took a downturn for the remainder of the decade, only recovering in 1970. Egypt experienced a "golden age" of culture during Nasser's presidency, according to historian Joel Gordon, particularly in film, television, theater, radio, literature, fine arts, comedy, poetry, and music. Egypt under Nasser dominated the Arab world in these fields, producing cultural icons.