Surviving family members of the "Great" often don't have any idea of what to do with their estates.

Often, one or more of the heirs suffer from the "Cats Syndrome"--that being the belief that there is something in the estate like "OLD POSSUM'S BOOK OF PRACTICAL CATS"   that will be turned into a financial gold mine like the musical "Cats", and they grab all the work up and seal it away, rather than allowing access to people who could really keep it alive--