Gauss received his doctorate in 1799. He was primarily active in the 19th century. https://en.wikipedia.org/wiki/Carl_Friedrich_Gauss#Career_and_achievements

Gauss received his doctorate in 1799. He was primarily active in the 19th century. https://en.wikipedia.org/wiki/Carl_Friedrich_Gauss#Career_and_achievements https://en.wikipedia.org/wiki/Carl_Friedrich_Gauss#Career_an...