Generate a question that has the following answer: Nuclear physicist'. for the following movie plot: Tribesman Zachry Bailey recounts stories to his grandchildren on an extraterrestrial Earth colony. Pacific Islands, 1849[edit] Adam Ewing, an American lawyer, has come to the Chatham Islands to conclude a business arrangement with Reverend Horrox and his father-in-law. In Horrox's plantation, he witnesses the whipping of a Moriori slave, Autua, who later stows away on the ship. Autua confronts Ewing and convinces him to advocate for Autua to join the crew as a free man. Dr Henry Goose slowly poisons Ewing, claiming it is the cure for a parasitic worm, to steal Ewing's valuables. As Goose administers the fatal dose, Autua saves Ewing. Returning to the United States, Ewing and his wife Tilda denounce her father's complicity in slavery and leave to join the abolition movement. Cambridge/Edinburgh, 1936[edit] Robert Frobisher, a young English composer, finds work as an amanuensis to aging composer Vyvyan Ayrs, allowing Frobisher the time and inspiration to compose his own masterpiece, "The Cloud Atlas Sextet". Frobisher begins reading Ewing's journal, which he has found with the latter portion missing, among the books at Ayrs's mansion. Ayrs demands credit for "The Cloud Atlas Sextet" and threatens to expose Frobisher's homosexuality if he refuses. Frobisher shoots Ayrs and flees to a hotel, where he uses the name Ewing. He finishes "The Cloud Atlas Sextet" and commits suicide with a gun just before his lover Rufus Sixsmith arrives. San Francisco, 1973[edit] Journalist Luisa Rey meets an older Rufus Sixsmith, now a nuclear physicist. Sixsmith tips off Rey to a conspiracy regarding the safety of a new nuclear reactor run by Lloyd Hooks, but is killed by Hooks's hitman, Bill Smoke, before he can give her a report that proves it. Rey finds Frobisher's letters to Sixsmith and tracks down a vinyl recording of Frobisher's "Cloud Atlas Sextet". Isaac Sachs, another scientist at the power plant, passes her a copy of Sixsmith's report. Smoke kills Sachs by blowing up his plane and runs Rey's car off a bridge. She escapes...
The answer to this question is:
What is Rufus' title?