Ownership has probably long-since passed to trusts for his descendants one popular tool is to transfer stock in exchange for a promissory note, setting the value of the transfer at a low level and allowing all the subsequent increase accrue to the beneficiaries.
Another drawback: While other Android phones I've tested can be plugged into either a PC or a Mac so you can manually transfer files onto them, I couldn't get the Note to do this with either of two Macs I tested with it.
In exchange for the stock the grantor takes back a promissory note, again bearing a government-specified rate of interest (currently less than 1% for a nine-year note) that locks the value of the stock in at the time of the transfer.
Among his other activities, the Trustee filed an adversary action against the Lender, seeking to set aside the Promissory Note and Security Agreement as to Tanglewood, on the basis that the transaction was a fraudulent transfer and therefore avoidable.