- Mark Lindley
(b Montpellier, Sept 14, 1723; d Montpellier, Nov 8, 1766). French dilettante and scientist. In December 1751 he announced his discovery of difference tones, which he had made by experiments with wind instruments. (Nearly three years later Tartini, evidently unaware of Romieu’s work, published his discovery of the same phenomenon observed in double stops on the violin.) Romieu’s ‘Mémoire théorique & practique sur les systèmes temperés de musique’, published in the ...