Aquaman began in 1962 and ran 63 issues.
Nick Cardy drew 1 - 39 and he continued to do the covers until 56.
Jim Aparo drew insides from 40 - 59 and began doing covers at 57 until the end.
Neal Adams did insides in 50,51,52.
A few other guys did the insides from 60-63, with some backup stories in a few earlier issues.