Leo Beranek
Leo Leroy Beranek (September 15, 1914 – October 10, 2016) was an American acoustician, former MIT professor, and a founder and former president of Bolt, Beranek and Newman (now BBN Technologies). He authored Acoustics, considered a classic textbook in this field, and its updated and extended version published in 2012 under the title Acoustics: Sound Fields and Transducers.