Oswald Spengler
Oswald Arnold Gottfried Spengler was a German historian and philosopher of history whose interests included mathematics, science, and art. He is best known for his book The Decline of the West , published in 1918 and 1922, covering all of world history. Spenglers civilization model postulates that any civilization is a superorganism with a limited and predictable lifespan.
Oswald Spengler was born in 1880 in Blankenburg as the second child of Bernhard and Pauline Spengler. Oswalds elder brother was born prematurely in 1879, when his mother tried to move a heavy laundry basket, and died three weeks after birth. Oswald was born ten months after his brothers death. His younger sisters were Adele , Gertrud , and Hildegard .
Source: Wikipedia