Author: Nancy L. Segal

What Light Does ‘Three Identical Strangers’ Throw on the Nature/Nurture Debate?

The 2018 film, Three Identical Strangers, is gripping. It is both an exposé of a 1950s secret twin study (studies of triplets fall under the general heading of “twin or multiple birth studies”) and a heartbreaking portrayal of identical triplets, Robert, David and Eddy, who were separated at birth, then unknowingly placed under a microscope by psychologists intent upon learning how different family practices might yield different behavioral outcomes. This unthinkable episode in the history of twin research challenges not just established norms, but belief in the sacredness of family, and faith in the integrity of science. More needs to be researched and revealed about this dark study and I will be writing just such a book over the next year. And as one twin observed, “I wish someone would start a support group. This is all so crazy—no one, not even us twins understand the complexity.” Looking into the twins’ and triplets’ stolen childhoods and its profound effects on their lives will be a key goal. It is also vital to understand why identical …