Final answer:
Adolph Ochs of The New York Times is the one who did not practice yellow journalism, unlike William Randolph Hearst and Joseph Pulitzer who were known for their sensationalist reporting techniques.
Step-by-step explanation:
The practice of yellow journalism was prominent during the late 19th and early 20th centuries among various newspaper publishers. Notably, William Randolph Hearst's New York Journal and Joseph Pulitzer's New York World were infamous for engaging in this style of journalism, which involved sensationalized reporting with exaggerated or unfactual stories designed to attract readers and escalate newspaper sales. However, Adolph Ochs of The New York Times was known for championing objective journalism and is recognized for his efforts towards factual reporting over sensationalism. Therefore, among the options provided for individuals who did not practice yellow journalism, Option 3: Ochs is the correct choice.