Conversation so far:
what two major battles allowed the u.s. to start the island hopping campaign
In the Battle of the Coral Sea, the US Navy checked a major Japanese offensive. In the Battle of Midway, US aircraft dealt a devastating blow to the Japanese navy.
what was island hopping during World War II
Island hopping was a military strategy employed by the Allies in the Pacific War against the Empire of Japan and the Axis powers during World War II.
how did island hopping work
This practice—skipping over heavily fortified islands in order to seize lightly defended locations that could support the next advance—became known as island hopping.
why was island hopping advantageous
Leapfrogging would allow the United States forces to reach Japan quickly and not expend the time, manpower, and supplies to capture every Japanese-held island on the way.

Question: who came up with the idea
Self-contained rewrite: who came up with the idea of island hopping