That was pretty quick, RetiredF4. 1 out of 3 is not bad.
You're correct that Wolfgang Langewiesche did not die in aeroplane crash. When we mentioned him, his son, William, is pretty good aviation writer too. However, the fellow I was referring to in the second question definitively went out alone in F-5, never to return. His worldwide fame is mostly based on the single shortish book, that only slightly relates to flying. His warning was very general, simple, true and mightily applicable to both AF447 and FBW Airbi.
Answer no2 is way off mark. No3 is too but with
No big changes happened since 1944, me think!
...you got pretty close and I'd certainly agree with that.