Karl Ernst Claus, Date of Birth, Place of Birth, Date of Death

Karl Ernst Claus

Russian scientist

Date of Birth: 23-Jan-1796

Place of Birth: Tartu, Livonia Governorate, Sweden

Date of Death: 25-Mar-1864

Profession: pharmacist, chemist, university teacher, botanist

Zodiac Sign: Aquarius

Karl Ernst Claus (also Karl Klaus or Carl Claus, Russian: ???? ??´?????? ???´??, 23 January 1796 – 24 March 1864) was a Baltic German chemist and naturalist.
Claus was a professor at Kazan State University and a member of the Russian Academy of Sciences.
He was primarily known as a chemist and discoverer of the chemical element ruthenium, but also as one of the first scientists who applied quantitative methods in botany.