Leo Leroy Beranek was born on September 15, 1914, and deid on October 10, 2016.
He was an American acoustics expert, former MIT professor, and a founder and former president of Bolt, Beranek and Newman (now BBN Technologies).
Leo 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.
Beranek was also an expert in the design and evaluation of concert halls and opera houses, and authored the classic textbook Music, Acoustics, and Architecture, revised and extended in 2004 under the title Concert Halls and Opera Houses: Music, Acoustics, and Architecture.
His 1954 book, Acoustics, is considered the classic textbook in this field; it was revised in 1986.
During 2012, at the age of 98, he collaborated with Tim Mellow to produce an updated and extended revision, published under the new title Acoustics: Sound Fields and Transducers.
Leo Beranek passed away at 102 years old.