Is having a high IQ a prerequisite to having a good memory? The debate rages if there is a connection, or if improving memory is a learned response despite IQ. Regardless, a transmission needs to occur as the learning material needs to be absorbed by the mind.
There are fortunately strategies to help anyone who needs to learn something, to develop a more efficient effective memory.
These steps are by no means exhaustive, but rather is meant as a starting point to begin and improve.