JL;DR SUMMARY In his book "Social Mendelism: Genetics and the Politics of Race in Germany, 1900-1948", Prof. Amir Teicher from Tel Aviv University explores how a significant genetic theory from the 19th century was later coopted by a culture of racial categorization. A way out west there was a fella, fella I want to tell you about, fella by the name of Jeff Lebowski.