Albert Einstein he had sympathy for the impersonal pantheistic God of Baruch Spinoza's philosophy. He did not believe in a personal God who concerns himself with fates and actions of human beings, a view which he described as naïve. He clarified, however, that "I am not an atheist", preferring to call himself an agnostic, or a "deeply religious nonbeliever." When asked if he believed in an afterlife, Einstein replied, "No. And one life is enough for me." Einstein was primarily affiliated with non-religious humanist and Ethical Culture groups in both the UK and US. He served on the advisory board of the
Siegbert Einstein by the Nazis in 1938). Einstein planted a weeping willow in 1951, and the space was opened to the public. Today the space belongs to Jost Einstein, Siegbert's grandson, who is the director of the Center for Nature Conservation of Bad Buchau. After the end of the war, Siegbert married Elsa Schlittler; because she was an Aryan, Siegbert had additional privileges under the Nazis. They had two children, Rolf Einstein and Kurt Einstein, who were raised Protestant Christians. He was a distant relative of Albert Einstein. He died on December 24, 1968 at the age of 79 and was the