

A quiet Paduan harpsichord maker whose ingenious hammer mechanism solved music's oldest dynamic problem, birthing the piano.
In the late 17th century, Bartolomeo Cristofori was a craftsman in the employ of Prince Ferdinando de' Medici in Florence, tasked with caring for the court's vast collection of musical instruments. The dominant keyboard instruments of the day—the harpsichord and clavichord—had a critical limitation: players could not vary the volume of a note by how hard they struck the key. Cristofori, working in his workshop, dedicated himself to solving this puzzle. His breakthrough was a complex 'escapement' action: a mechanism that allowed a hammer to strike a string and then immediately fall away, letting the string vibrate freely. He called his invention the 'gravicembalo col piano e forte'—a harpsichord with soft and loud. The instrument was slow to catch on, but its fundamental principle was revolutionary. By enabling nuanced expression through touch, Cristofori's creation laid the groundwork for the works of Mozart, Beethoven, and every pianist since, fundamentally reshaping the emotional landscape of Western music.
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Only three of his original pianos survive today, dating from the 1720s.
The first written mention of his invention was in 1700, in an inventory of Medici instruments.
Johann Sebastian Bach later saw and approved of improved versions of the piano inspired by Cristofori's work.
He was also an expert builder of harpsichords and invented a unique oval spinet.
“I have made a harpsichord that plays both soft and loud.”