at a symposium at Woods Hole in Massachusetts when he collapsed and died from heart failure on July 26, 1973. Einstein was honored by a Guggenheim Fellowship (1953), research awards from the American Society of Civil Engineers (1959 and 1960), the Berkeley Citation from the University of California (1971), the Certificate of Merit from the U.S. Department of Agriculture (1971), and a certificate of recognition for more than 20 years of devoted and distinguished service to Applied Mechanics Reviews by the American Society of Mechanical Engineers (1972). Hans was also made an member of Pi Tau Sigma in December 1949 with honorary membership grade. In 1958 he was the principal guest of honor at the Technion's dedication of a new building housing the Albert Einstein Institute of Physics. Hans Albert Einstein died due to heart failure on July 26, 1973 in Woods Hole, Massachusetts. His papers are held at the Water Resources Collections and Archives in the University of California, Riverside Libraries and in the University of Iowa Libraries Special Collections and Archives. Personal life In 1927, Hans Albert Einstein married Frieda Knecht. They had four children: Bernhard Caesar Einstein (10 July 1930 – 30 September 2008), who was a physicist and engineer. Klaus Martin Einstein (1932–1939), died of diphtheria aged six. David Einstein (October–November 1939), died aged one month. Evelyn Einstein (28 March 1941 – 13 April 2011), adopted. Knecht died in 1958, and Hans Albert married neurochemist Elizabeth Roboz (1904–1995) the following year. Einstein was an avid sailor, frequently taking colleagues and family out for excursions on the San Francisco Bay. On his many field trips and academic excursions, he took thousands of pictures, many of which he developed himself and presented as slide shows. He also loved music, as denoted on his gravestone, and he played flute and piano. See also Einstein family Genius, a television series depicting the Einsteins References Bibliography Einstein, H. A. (1950). "The bed-load function for sediment transportation in open channel flows". United States Department of Agriculture Technical Bulletin 1026. Washington DC, 1950 H. A. Einstein, Hsieh Wen Shen, Sedimentation: Symposium to honor H. A. Einstein, edited and published by Wen Shen Hsieh, University of California, 1972 Ettema, R., and Mutel, C.F., (2004) Hans Albert Einstein: Innovation and Compromise in Formulating Sediment Transport by Rivers, Journal of Hydraulic Engineering ASCE, June, 477-486 External links Biography from einstein-website.de 1904 births 1973 deaths ETH Zurich