- Niall O’Loughlin
(fl Paris, 1827–45). French manufacturer of brass instruments. Jean Auguste Guichard l’aîné (b 1803) founded a workshop in the rue de Chevet Saint Landry, Paris, in 1827. In 1835 he took on his brother-in-law Pierre Louis Gautrot as an assistant (their wives, Charlotte and Aimée Fischer, respectively, were sisters of an Alsatian Protestant family). The business moved in ...