HNRNPK and red-green color blindness: In conclusion, while we have shown that hnRNP A1, hnRNP A2B1, and hnRNP K do not colocalize with AT8‐immunoreactive tau aggregates in AD, MCI, CBD, PiD, and PSP, we report extensive mislocalization of all hnRNPs examined in tauopathies.