In 1964 , he became the first African - American to be named IFBB Mr. America .
Three months later , Poole switched to the IFBB and , at age 19 , he won the Mr. Universe .
In 1964 , Poole became the first African - American to be named IFBB Mr. America .
Three months later , Poole switched to the IFBB and , at age 19 , he won the Mr. Universe .