Who is regarded as the finest string instrument builder of all time?

Antonio Stradivari is widely regarded as the finest string instrument builder of all time. Active in the late 17th and early 18th centuries, his violins, cellos, and other string instruments are celebrated for their exceptional craftsmanship, tonal quality, and aesthetic beauty. Instruments made by Stradivari continue to be highly sought after and command astronomical prices at auctions, solidifying his legacy in the world of Classical Music.