Not for sure what your paragraph is about, but here a few words for you :)
Sui Generis: being the only example of its kind, unique
Profligate: using money, resources, etc., in a way that wastes them
Obduracy: refusing to change in any way
Obstreperous: very noisy or difficult to control
Recover could replace salvage
Using simple language ensures that your audience can understand your message.
Yes he is and he was a very smart man.
