Hans Albert Einstein as a steel designer on a bridge project in Dortmund. In 1936 Hans Albert obtained the doctor of technical science degree. His doctoral thesis "Bed Load Transport as a Probability Problem" is considered the definitive work on sediment transport. Einstein's father, Albert, left Germany in 1933 to escape the virulently antisemitic Nazi threat. Heeding his father's advice, Einstein emigrated from Switzerland to Greenville, South Carolina, in 1938. He worked for the US Department of Agriculture, studying sediment transport from 1938 to 1943. He continued working for the USDA at the California Institute of Technology starting in 1943. In 1947 he
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