Complex sentence: Anna-Liisa Hirviluoto (February 16,1929 Helsinki-April 23,2000) was an archaeologist, who served as the director of the Finnish National Board of Antiquities and its predecessor, the Archaeological Commission positions for 35 years.
Split into simpler sentences: Anna-Liisa Hirviluoto (February 16,1929 Helsinki-April 23,2000) was a Finnish archaeologist. She served as the director of the Finnish National Board of Antiquities and its predecessor, the Archaeological Commission positions for 35 years.