Bernhard Caesar Einstein
Bernard first met his grandfather Albert when he was two years old. As a boy he travelled alone to spend time with Albert in New Jersey, and at Saranac Lake in upstate New York. Einstein recounted to his son Thomas that he used to irritate his grandfather because he would urinate out the window directly above Albert's study in Princeton. At Saranac Lake he enjoyed sailing with his grandfather. Apparently Albert Einstein's favorite time to sail was when there was very little wind. According to Bernard, his grandfather enjoyed the challenge of harnessing whatever little bit of breeze he could capture. The sailing tradition was carried on by Albert's son, Hans Albert, and Bernard's children on the San Francisco Bay. Albert Einstein died in April 1955. Having shared his love of music with his grandson, he bequeathed Bernard his violin in addition to a modest sum of money.
In 1954, Bernard married Doris Aude Ascher (born c. 1938), with whom he had five children:
Stephen Brunauer
He became an American citizen around 1925 and began working for the Fixed Nitrogen Research Laboratory of the U.S. Department of Agriculture in Washington, D.C., in 1928. He married Esther Delia Caukin in 1931, an expert in international relations who worked for the American Association of University Women and, after 1944, for the U.S. State Department. They lived in Washington, D.C., with the exception of one year of living in Baltimore while he earned his doctorate from Johns Hopkins University in 1933. They had a son in 1934, who died December 1937, and two daughters in 1938 and 1942. His doctoral thesis led to the development of BET theory, based on work he did with Paul H. Emmett and Edward Teller. He left the Department of Agriculture following the attack on Pearl Harbor and joined the U.S. Naval Reserve and by 1942 was heading its high explosives research group in the Bureau of Ordnance. He recruited Albert Einstein as a consultant to the Navy in 1943. Einstein had corresponded with Esther Brunauer before the war when he was trying to help German academics find employment in the U.S.