Professor E Marelyn Wintour-Coghlan has spent 44 years as a scientist. She has 205 publications and has made major contributions to 4 areas of developmental physiology. She has studied the development of kidney and adrenal function, the control of fetal fluid and electrolyte balance, fetal erythropoietin and erythropiesis and most recently has made major contributions in the area of the fetal origins of adult disease with her studies on fetal programming of hypertension by early endocrine perturbation. She has had numerous international invitations to speak about her work and served physiology internationally on IUPS and in developing countries.