Sir Humphry Davy is credited with first isolating calcium in 1808.
While calcium itself exists naturally, and wasn't "created" in the sense of being brought into existence, Davy was the first to successfully isolate the element in its metallic form. He achieved this through electrolysis, distilling mercury from an amalgam formed by electrolyzing a mixture of lime and mercuric oxide. The name "calcium" comes from the Latin word "calx," meaning lime. Davy's experiment marked a significant step in understanding and identifying this important element. He is also known for isolating other elements using similar methods.
