Kevin Richardson

My grandfather was in a barbershop quartet and my grandmother was in a gospel quartet with her sisters.

My mom sang in high school choir and so did my father.

They wanted to do a movie about the Backstreet Boys.

As a young child my attention span was, as I remember it, rather short.

But with each passing year and each new study, the evidence for the genetic contribution to individual and group differences becomes more firmly established than ever.