The person you're trying to help probably hasn't checked their e-mail or their spam filter has filed or blocked your message. Acknowledge Move On.
If your motives are pure you're in the clear. If your motives are otherwise, it will be more obvious than you perceive, communication is their forte. They are standoffish to everyone equally on the board and in person, don't take it personally, they either know you you or they don't.
First, age is in your mind. There are younger people more experienced and wiser on here, there are older people who act like children, boring pain in the ass children.
Second, History is five minutes ago, Barney is History, Cotton Mather is a nobody. They don't know what you're talking about. If its important, they'll google it or check the Wiki.
Third, Everyone here is damaged, some are more obvious than others but don't feel special. Tolerance is the one of the areas that is getting better generationally in the U.S. Your proffessional experience doesn't make you appear suspicious, its made you a little paranoid, dial it back a notch.
Question one. its o.k. but don't expect an answer. Oue email is there to be harvested by Nigerian scam artists that our government should be leaving with a smoking ace of spades on their sprawled bodies.
Question two: Exclusive rights are granted only to those that have paid for the licensing agreement.
Happy birthday in august.