A major historical figure in public health mentioned in chapter 1 of “Essentials of Public Health” was Lemuel Shattuck, what was the most important contribution of this individual to the evolution of public health?

1.) A major historical figure in public health mentioned in chapter 1 of “Essentials of Public Health” was Lemuel Shattuck, what was the most important contribution of this individual to the evolution of public health?
2.) Why was it important?
3.) What is this individual’s enduring legacy to public health?