How to Forage for Wild Mushrooms

When they're processed correctly or like cocoa, you know, that it requires that extra step to get it to the desired end result. I'm just so fascinated by the anonymous people throughout history who figured out very specific preparations of vegetables. Like how many people died over the over the poppies until someone said, let's put it on a bagel? You know, how did they meet the bagel guy or bagel person?