Mr. Levy later recalled, “I asked him, How long is ‘in perpetuity’?”
“For you, 50 years,” Mr. de Montebello, the museum director, replied. ...
“Perpetuity is usually a matter of negotiation now,” said William D. Zabel, a lawyer representing the Fisher family, who had threatened to sue on their behalf 12 years ago when Lincoln Center considered changing the name at that time without its permission.
--Sam Roberts, NYT, on the best simulacrum of immortality this world can offer