What nationality were Ida Georgina Moburg and Jean Sibelius?
Jean Sibelius Jean Sibelius ( ;    ), born Johan Julius Christian Sibelius (8 December 186520 September 1957), was a Finnish composer and violinist of the late Romantic and early-modern periods. He is widely recognized as his country's greatest composer and, through his music, is often credited with having helped Finland to develop a national identity during its struggle for independence from Russia.
Mary Fleddérus Mary Fleddérus (June 4, 1886November 1977) was a Dutch social reformer and researcher who co-led the International Industrial Relations Institute with Mary van Kleeck. She was a pioneer of industrial relations in Europe.