Robert Breedlove

I also read The Origin of Wealth, it is a fantastic a book.

There are dozens of resources, @coryklippsten can surely explain why #Hex is a scam better than I, but here is one article which looks comprehensive:

The hard truth about fiat currency from the author of one of the most important books ever written—The Creature from Jekyll Island.

For a deeper dive on this, @sovereignsaxon put together a great thread:

If you really want to know why realism is the only true perspective, then read this masterpiece: