11. Acousticians said it could not work.12. Before construction began, however, Nouvel was joined by the renowned American acoustician Russell Johnson. 13. But Higginson's crowning inspiration was to engage a young Harvard acoustician , Wallace Sabine. 14. The performing arts center has invited nine prominent architects and several acousticians to submit design proposals. 15. The ASO seemed to back that up by signing an acoustician before an architect has been selected. 16. It also includes acousticians , audiologists, academics, and those in other disciplines related to audio. 17. But because the acousticians needed more sound dampening, the frescoes became tapestries, something Nava had never tried. 18. Tom Horral, a Boston-based acoustician , blames complaints about modern movies being too loud on subwoofers. 19. A year later, the acoustician R . Lawrence Kirkegaard was brought in to apply absorptive materials to the ceiling. 20. As the musicians play, acousticians will adjust reflectors that form the orchestra shell to get the sound just right.