John Day, like many other historians, had concluded that Indo-Europeans used to be of Nordic appearance, blonde and blue-eyed. This has brought the Steppe Hypothesis into a recent crisis, as genetics proved the Yamnaya people to have dark features and Western Hunters light features.
The pressure increased when it became clear that the famous Corded Ware culture that Indo-Europeanized Western Europe, is not a descendant of the Steppe but rather something like its bigger cousin.
Present-day distribution of eye and hair pigmentation
After Mallory, Encyclopedia of Indo-European Culture (1997)




