Meet the man who invented the word moron. Hitler absolutely loved him, and he influenced American science for decades. Thank you, Dr. Moron.
Sources:
The Kallikak Family: A Study in the Heredity of Feeble-Mindedness (1912) by Henry Goddard
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3987907/
Who Was Deborah Kallikak? Article by J. David Smith
Podcast – Science VS. by Gimlet Media