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Who first isolated elemental silicon?

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A periodic table element square for silicon shows atomic number 14, symbol Si, atomic weight range, electron configuration, and name. Icons indicate it is a solid nonmetal with diamond crystal structure and equal relative strength. Labels explain each property. — silicon Chemical properties of the element silicon.

Amorphous elemental silicon was first isolated and described as an element in 1824 by the Swedish chemist Jöns Jacob Berzelius. While impure silicon had been obtained previously in 1811, it was not until 1854 that crystalline elemental silicon was successfully prepared through electrolysis.1