Task: Text Categorization
Input (English): The protagonist of this novel detests "men of measured merriment," and goes to college with Fatty Pfaff, who eventually becomes a male midwife. The novel opens with a scene from the life of the title character's great-grandmother, who is excited to go West because "they's a whole lot of new things I aim to be seeing! " Its protagonist is modeled after Paul DeKruif, and discovers that the X Principle might prevent bacterial disease, only to learn that D'Herelle has already published the results. The title character belatedly chooses research over fame and wealth when he retreats to the Vermont woods with Terry Wickett. For 10 points, name this novel about an idealistic doctor by Sinclair Lewis.
Output (English): Literature