 In the first chapter of the novel "Space Cadet" he anticipated the cell phone, 35 years before Motorola invented the technology.Several of Heinlein's works have been adapted for film and television.Heinlein, born on July 7, 1907, to Rex Ivar Heinlein (an accountant) and Bam Lyle Heinlein, in Butler, Missouri, was the third of seven children.