## **Core Concept**
The "Road to Health" chart, also known as the "Road to Health Graph," is a graphical representation used in public health and nutrition to assess the nutritional status of populations, particularly children. It plots weight against age.

## **Why the Correct Answer is Right**
The "Road to Health" chart was developed by **Corinne M. McNamara**, but it is most commonly associated with **John C. Waterlow**. However, its origins can also be linked to **Corinne McNamara** and more accurately to **J. C. Waterlow** and **C. M. McNamara**. The chart helps in identifying children who are underweight, overweight, or at a healthy weight for their age, thereby facilitating early intervention.

## **Why Each Wrong Option is Incorrect**
- **Option A:** [No information provided]
- **Option B:** [No information provided]
- **Option D:** [No information provided]

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that the "Road to Health" chart is a valuable tool in **community health** and **epidemiology** for assessing the nutritional status of populations. It is particularly useful in **developing countries** where access to more sophisticated diagnostic tools may be limited.

## **Correct Answer:** .