Road to health cha was first given by:: (A) John Snow, (B) David Morley, (C) Dr Francis Peabody, (D) Alfred Grojtahn
Answer is B. The growth or "road to health" cha was first designed by David Morley and later modified by WHO. Growth cha is designed primarily for the longitudinal follow-up. REMEMBER: In Weight -for-age cha, height is not taken into consideration Ref: Park's textbook of Preventive and Social Medicine, 21st edition, page-502