Question: What is the birthdate of this American business magnate, investor, and philanthropist, who is featured in the documentary Nobody Speaks: Trials of the Free Press, regarding his secret purchase of the Las Vegas Review Journal?
Sentence (from "Nobody Speak: Trials of the Free Press"): Nobody Speak: Trials of the Free Press is a 2017 Netflix documentary directed by Brian Knappenberger.
Relevant evidence: Yes