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"): The documentary focuses on two incidents: Peter Thiel financing wrestler Hulk Hogan's lawsuit against Gawker Media, and casino owner Sheldon Adelson's secret purchase of the "Las Vegas Review-Journal".
Relevant evidence: Yes