Actually in fact it's so common there's a term for it: https://en.m.wikipedia.org/wiki/Stigler%27s_law_of_eponymy https://en.m.wikipedia.org/wiki/Stigler%27s_l

Actually in fact it's so common there's a term for it: https://en.m.wikipedia.org/wiki/Stigler%27s_law_of_eponymy https://en.m.wikipedia.org/wiki/Stigler%27s_law_of_eponymy In my own area, I've run into things being rediscovered multiple times.