[sd8dgf8ds8g8dsg]

When people no longer remembers who Einstein was, such saying would lose popularity and eventually die out of the language.

https://www.virtuescience.com/etymology-how-words-change-ove...

[nitwit005]

That happens sometimes, and other times it doesn't. Not many people know the word gadget is from the builder of the statue of liberty, but the word hasn't dropped out of usage. There are plenty of lingering names from people and ethnic groups that have been forgotten by most.