As one gets older, you come to know what you like. These things become comfortable, familiar, and bring on warm memories of good times. You'll come to understand this when you (hopefully) get up in years yourself.
Making broad, sweeping statements about very large groups of people gets you one thing... Wrong.
And wrong is just wrong.
Charles Townes known for engineering the laser. ( ? )
Thomas Crapper, inventor of the ballcock for toilets.