Question: What is the birthdate of this American television executive and media consultant, who was a media consultant and for whom Gabriel Sherman wrote a biography?

Related documents: [0]  [DOC] Roger Eugene Ailes (May 15, 1940 – May 18, 2017) was an American television executive and media consultant. He was the founder and one-time Chairman and CEO of Fox News and the Fox Television Stations Group, from which he resigned in July 2016 following allegations that he sexually harassed female colleagues. Ailes was a media consultant for Republican presidents Richard Nixon, Ronald Reagan, and George H. W. Bush, and for Rudy Giuliani's first mayoral campaign. In 2016, after he left Fox News, he became an adviser to the Donald Trump campaign, where he assisted with debate preparation. [END] 
[1]  [DOC] Gabriel Sherman is an American author. In 2014, he wrote a biography about Fox News Channel president Roger Ailes called "The Loudest Voice in the Room: How the Brilliant, Bombastic Roger Ailes Built Fox News – and Divided a Country", which debuted at #9 on The New York Times Bestseller list. [END]  
Answer: May 15, 1940
May 15, 1940