What did both Ivan Bilibin and Mir iskusstva contribute to?
Ivan Bilibin Ivan Yakovlevich Bilibin (Russian: Ива́н Я́ковлевич Били́бин ; ] ; 16 August [O.S. 4 August] 1876 – 7 February 1942) was a 20th-century illustrator and stage designer who took part in the "Mir iskusstva", contributed to the Ballets Russes, co-founded the Union of Russian Painters (Russian: Сою́з ру́сских худо́жников ) and from 1937 was a member of the Artists' Union of the USSR. Throughout his career, he was inspired by Slavic folklore.
Ivan Bardin Ivan Pavlovich Bardin (Russian: Иван Павлович Бардин) (1883–1960) was a Soviet metallurgist and active participant in solving the main engineering issues of the domestic ferrous metallurgical industry. He was also an Academician of USSR AS (1932), vice-president of USSR AS (from 1942), Hero of Socialist Labor (1945), and winner of the Lenin (1958) and State prizes (1942, 1949). His scientific interests were designing new powerful completely mechanized steel works; creating advanced typical metallurgical aggregates; intensifying metallurgical processes, especially by means of oxygen; elaborating and introducing the basic oxygen process; and assimilation and multi-purpose utilization of new kinds of metallurgical raw materials.