Road to health cha was first given by:
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
John Snow
David Morley
Dr Francis Peabody
Alfred Grojtahn