Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Zofia Kielan-Jaworowska (born on April 25, 1925) is a Polish paleobiologist. She was employed by the Instytut Paleobiologii of the Polska Akademia Nauk. She studied at Warsaw University. She worked as a nurse during the Warsaw Uprising.The Polish Academy of Sciences, headquartered in Warsaw, is one of two Polish institutions having the nature of an academy of sciences.The Polish Academy of Sciences (Polish: Polska Akademia Nauk, abbreviated PAN) is a Polish state learned institution, headquartered in Warsaw, that was established in 1952 by the merger of earlier learned societies, including the Polish Academy of Learning (Polska Akademia Umiej tno ci, abbreviated PAU), with its seat in Kraków, and the Warsaw Society of Friends of Learning, which had been founded in the late 18th century.