How one of the wealthiest philanthropists on the planet set up his planned giving:  https://www.nytimes.com/2017/11/08/your-money/david-rockefeller-giving-pledge.html?elqTrackId=05083b92c7bc4a6985c3941cb753af45&elq=e5d5d054cfb34f66aef88899f816e5c1&elqaid=16517&elqat=1&elqCampaignId=7149