Answer
Felix Mendelssohn's son Carl Mendelssohn was a chemist who discovered the element ruthenium. He was born in Berlin, Germany, in 1838 and died in Hamburg, Germany, in 1897. He studied chemistry at the University of Berlin and later at the University of Heidelberg. In 1863, he discovered the element ruthenium, which is named after his mother, Fanny Mendelssohn.