1: In the letter , the siblings imagine how their father would have handled the situation . 2: Nona , Frankie , and Marvin III . 3: Nona , Frankie and Marvin III say their father would have embraced new technology but safeguarded his creations .
1: the siblings 2: Nona , Frankie , and Marvin III 3: Nona , Frankie and Marvin III