Hi Sourdough:
There was a widely covered report on network news several years ago about how JD Salinger had ghost written Profiles In Courage, as the writing is completely like the rest of his writing. It is not to take away from the legacy of JFK, and in fact, many wealth patrons put their name on work that they produce rather than write. I will see if I can find a site for that report - its most significant point was not about Kennedy's lack of scholarship, he was a good scholar, but about how the Kennedy family was prepairing to reintroduce him into his political career.
All the best
Larry