caption death_date death_place birth_place influences image_size nationality field birth_date signature image article_title name
dana in 1865 14 april 1895 new haven , connecticut utica , new york benjamin silliman amos eaton 200px united states geology , mineralogy , zoology 12 february 1813 appletons ' dana james dwight signature.png james dwight dana by warren , 1865.jpg james dwight dana
 james dwight dana
james dwight dana

james dwight dana -lrb- february 12 , 1813 -- april 14 , 1895 -rrb- was an american geologist , mineralogist , volcanologist , and zoologist .
he made pioneering studies of mountain-building , volcanic activity , and the origin and structure of continents and oceans around the world .
