Graveyard of Dreams is a short science fiction story by H. Beam Piper first published in 1958.
Despite Mr. Shakespeare, wealth and name are both dross compared with the theft of hope - and Maxwell had to rob a whole planet of it!
The son of a melon planter on the planet Poictesme returns home after 5 years on Earth, studying. And spying. The planet had been used as a military staging point during the last interstellar war, and somewhere among the leftover war debris on the planet is rumored to be the supercomputer that won the war. He was supposed to locate it.