Neandertal (valley) most of the limestone and dramatically changed the shape of the valley. It was during such a quarrying operation that the bones of the original Neanderthal man were found in a cave known as Kleine Feldhofer Grotte. Neither the cave nor the cliff in which the bones were located still exists. During the 19th century the valley was called "Neandershöhle" (Neander's Cave), and, after 1850, "Neanderthal". It was named after Joachim Neander, a 17th-century German pastor. "Neander" is the Greek translation of his family name "Neumann"; both names mean "new man". Neumann lived in nearby Düsseldorf and loved the valley
Emigration from Poland to Germany after World War II family-reunification process in exchange for economic aid from West Germany to Poland. More than 230,000 people left Poland, among whom were nearly all remaining "autochthons" dissatisfied with political and economic conditions in Poland. Many, especially if they were born after 1945, were unable to speak German; at home they spoke their regional dialect, and at school they were taught Polish and Russian. Those emigrants were usually manual laborers, farmers and craftsmen, most without higher education. After arriving in Germany, they usually cultivated their regional traditions and language. Some of them retained Polish citizenship and played an active role in the