What happens in Part III of Gulliver's Travels?
Gulliver descends from the flying island of Laputa to the desolate mainland kingdom of Balnibarbi, where he is welcomed by the dissenting lord Munodi. Munodi's flourishing estate starkly contrasts with the surrounding ruined countryside — fields lay untilled, houses crumble, and people appear gaunt — all due to the Grand Academy of Lagado. The Academy's projectors have replaced effective agricultural and architectural practices with incomplete theoretical experiments. During his visit to the Academy, Gulliver meets professors who are focused on bizarre pursuits, such as extracting sunbeams from cucumbers, softening marble for pillows, and constructing houses from the roof down. Continuing his journey to the necromantic island of Glubbdubdrib, Gulliver has the chance to speak with the shades of historical giants: he summons Alexander, Caesar, and Homer, only to learn that much of their revered glory is largely fabricated. This sequence culminates in Luggnagg, where Gulliver encounters the Struldbruggs — immortal beings he initially envies — only to discover their miserable existence. Legally dead at eighty, stripped of property and memory, despised by the living, and condemned to an eternity of decay, their plight shatters any romanticized ideas of immortality and leaves both Gulliver and the reader feeling sobered.
Analysis
Swift targets human vanities with three consecutive satirical strikes, each delivered in quick succession, showcasing a deliberate craft choice. In Lagado, he critiques the Royal Society's experimental philosophy by literalizing abstract ideas—projectors who can't feed a nation because they are too consumed by theorizing about food. The humor is grotesque rather than whimsical; the starving countryside looms near the absurd laboratory, and Swift ensures the reader remains aware of the human cost tied to intellectual arrogance.
Glubbdubdrib marks a tonal shift. The necromantic premise lets Swift dissect historiography: each heroic story Gulliver has learned crumbles under scrutiny. The ghost of Alexander insists he was not a victim of treachery, while Caesar acknowledges that Rome's glory was built on bloodshed. Swift's irony here is cool and cutting, steering clear of farce.
The Struldbrugg episode serves as the emotional and philosophical core of this section. Swift sets a rhetorical trap: Gulliver is prompted to envision how he would use immortality, presents an eloquent, self-satisfied answer, and is then confronted with the reality of the Struldbruggs. The disparity between Gulliver's dream and the truth is Swift's sharpest tool—it condemns not just Gulliver but also the reader who agrees with him. Mortality, Swift contends, is not a flaw in the human experience but rather an essential structure. The theme of decay—ruined fields, distorted histories, decaying immortal bodies—ties all three episodes together into a unified reflection on the folly of desiring more than nature permits.
Key quotes from Part III
“He had been Eight Years upon a Project for extracting Sun-Beams out of Cucumbers, which were to be put into Vials hermetically sealed, and let out to warm the Air in raw inclement Summers.”
Gulliver describes the first projector he encounters at the Grand Academy of Lagado, epitomising Swift's satire of the Royal Society's speculative experiments.
“I took a Skeleton of Death to be the most accomplished Courtier in all the Island; for he was perfectly well versed in the Court of Luggnagg.”
Gulliver reflects on the Struldbruggs he has met, the irony sharpening as courtly polish and physical ruin are made grotesquely synonymous.
“They were the most mortifying Sight I ever beheld… their Memory was in a worse Condition than the Memory of those who had never lived.”
Gulliver confronts the actual Struldbruggs, whose immortality has erased rather than preserved experience, collapsing his earlier fantasy of endless accumulation.