Baron Johann Knoop (22 July 1846 in Moscow – 9 May 1918 in Wadhurst), was a collector of musical instruments who possessed a total of 29 great violins, violas, and cellos at one time or another including some four Stradivari violas. Several instruments are named after him:

Knoop's father, Johann Ludwig Koop (1821-1894), emigrated from Germany to Russia, founded a textile industry in Narva, Estonia, and was granted title of Baron in the Russian Empire, which he passed to his sons.

References

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  • Doring, Ernest N., "The Baron Knoop". Violins and Violinists, Sep-Oct. 1954, p 196 - 201
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