Abstract
This presentation outlines some moments in the development of modern nonlinear acoustics in the 1960s–1980s, in which Professor David Blackstock played a significant role. In those times of limited contacts between the American and Soviet scientific communities, David was the first to notice our works in the area. He initiated and supported our contacts, first by regular mail (no Internet at that time!) and then, when it became possible, by inviting us to the USA. Our areas of common interest included, among others, radiation and diffraction of nonlinear acoustic beams, horn antennas, and parametric arrays. A few examples of parallel developments in these areas will be described.
Published Version
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