Hudak was an Antaran teacher in xenomythology who was doing research on Xantoras when a xenophobic group overthrew the government in early 2153. As all other aliens he was forced to leave the planet as a result. He suffered heavy radiation poisoning when the reactor of the transport he was on ruptured and was brought aboard Enterprise for medical attention together with several other passengers. Although he was dying and the Enterprise's medical technology allowed for a full recovery, he refused medical treatment from Phlox, a Denobulan doctor. The Denobulans had fought long wars with the Antarans, who considered the Denobulans to be their enemies.
At first Captain Archer ordered Phlox to treat Hudak, but Phlox could not treat him without Hudak's consent. Phlox made attempts to convince Hudak, who at first refused to dialog. He eventually began to reply, asking the Denobulan if he had told his children about how evil the Antarans were. Phlox explained that he was taught to hate the Antarans, but that he taught his own children not to be prejudiced against any species. After hearing Phlox's sentiments, Hudak allowed the doctor to treat him. (ENT: "The Breach")