1794
Johan Georg Forchhammer, Danish mineralogist and geologist (died 1865)
Johan Georg Forchhammer, Danish mineralogist and geologist (died 1865)
Johan Georg Forchhammer, Danish mineralogist and geologist (died 1865)
Danish geologist (1794–1865)
Johan Georg Forchhammer, Danish mineralogist and geologist (died 1865)
Johan Georg Forchhammer, Danish mineralogist and geologist (died 1865)