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Estonian-American acoustical engineer (1932-2007)
Leon Sibul (* 30. August 1932 in Võru; † 19. February 2007 in Tallinn) was an estonian-American acoustical engineer. He was 74 years old. His education included New York University, George Washington University and Pennsylvania State University. He worked at Pennsylvania State University. He was awarded the Fellow of the Acoustical Society of America.