A very interesting, never seen before interview with German engineer Hans Von Ohain, and his take on the invention of the turbojet. Part 2:
https://youtu.be/1_MwK40drvM
A documentary about Whittle's invention (patented in1930). The video also features interviews with Hans von Ohain, Whittle's German counterpart, credited with the first flight of a turbojet.
It is interesting to note that Whittle's research in those years was largely unsupported, whereas von...