Diane Disney Miller famously fought for Frank Gehry-designed hall
                                
                                
                                    (Newser) -
                                    Walt Disney's eldest and last surviving child, Diane Disney Miller, died yesterday at age 79 in her Napa Valley home following complications from a fall, the  LA Times  reports. Her childhood playground visits with her sister helped inspire Disneyland, but she may have left her biggest mark with her...