page_title: Ras Thavas
hierarchical_section_title: Ras Thavas
caption_attribution_description: English: Cover of the pulp magazine Amazing Stories, featuring Master Mind of Mars by Edgar Rice Burroughs. Italiano: Copertina della rivista Amazing Stories (1927) con La mente di Marte (The Master Mind of Mars) di Edgar Rice Burroughs.
context_page_description: Ras Thavas is a fictional character created by Edgar Rice Burroughs in his 1927 novel The Master Mind of Mars. Within the narrative framework of the story he is an elderly Martian mad scientist of the city-state of Toonol, the "Master Mind" of the novel's title, skilled in the surgical transplantation of brains. He takes in protagonist Ulysses Paxton, an earthman newly arrived on the planet, and educates him in the ways of Barsoom, as Mars is known to its inhabitants.
  Ras has perfected techniques of brain transplantation, which he uses to provide rich elderly Martians with youthful new bodies for a profit. Distrustful of his fellow Martians, he trains Paxton as his assistant to perform the same operation on him. But Paxton has fallen in love with Valla Dia, one of Ras' young victims, whose body has been swapped for that of the hag Xaxa, Jeddara of the city-state of Phundahl. He refuses to operate on Ras until his mentor promises to restore her to her rightful body. Ras agrees, and receives his operation.
context_section_description: Ras Thavas is a fictional character created by Edgar Rice Burroughs in his 1927 novel The Master Mind of Mars. Within the narrative framework of the story he is an elderly Martian mad scientist of the city-state of Toonol, the "Master Mind" of the novel's title, skilled in the surgical transplantation of brains. He takes in protagonist Ulysses Paxton, an earthman newly arrived on the planet, and educates him in the ways of Barsoom, as Mars is known to its inhabitants.
  Ras has perfected techniques of brain transplantation, which he uses to provide rich elderly Martians with youthful new bodies for a profit. Distrustful of his fellow Martians, he trains Paxton as his assistant to perform the same operation on him. But Paxton has fallen in love with Valla Dia, one of Ras' young victims, whose body has been swapped for that of the hag Xaxa, Jeddara (empress) of the city-state of Phundahl. He refuses to operate on Ras until his mentor promises to restore her to her rightful body. Ras agrees, and receives his operation. Now distrustful of his protege, the scientist plots to murder him, but Paxton escapes in the company of other experimental victims of the master mind and proceeds to Phundahl on his quest to retrieve Valla Dia's original body. Ras warns Xaxa against Paxton, but the group ultimately succeeds in kidnapping the Jeddara and reversing the brain exchange. Later Ras travels to Phundahl for aid in recovering his island laboratory, from which he has been expelled by soldiers from Toonol. He finds Xaxa overthrown and Paxton's ally Dar Tarus the new Jeddak. Tarus agrees to oust the Toonolians on the condition that Ras reform and cease trafficking in bodies.
caption: Cover of Amazing Stories Annual (1927), showing Ras Thavas, Valla Dia and Ulysses Paxton
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