caption resting_place death_date death_place birth_place image_size nationality birth_date known_for article_title name
jonathan hornblower st gluvias 23 february 1815 penryn , cornwall chacewater , cornwall 150px kingdom of great britain 5 july 1753 compound steam engine , double beat valve jonathan hornblower
 jonathan hornblower
jonathan hornblower

jonathan hornblower -lrb- chacewater , 5 july 1753 -- penryn , 23 february 1815 -rrb- was a british pioneer of steam power .
