The story obviously reflected the ideas of Symmes , and some have claimed Symmes as the real author .
There , they discover an inner continent , which they name Symzonia after John Cleves Symmes , Jr .
The story obviously reflected the ideas of John Cleves Symmes , Jr . , and some have claimed John Cleves Symmes , Jr . as the real author .
There , they discover an inner continent , which they name Symzonia after John Cleves Symmes , Jr .