Back كارل يوهان برنهارد كارستن Arabic كارل يوهان برنهارد كارستن ARZ Carl Karsten (Metallurge) German Karl Johann Bernhard Karsten French Carl Karsten Hungarian Carl Karsten Swedish
Karl Johann Bernhard Karsten (26 November 1782 – 22 August 1853) was a German mineralogist known for contributions made to the German metallurgy industry.