. Father of endocrinology is
Willem Einthoven was the first person who discovered electrocardiogram
Thomas Addison was the pioneer who discovered Addison's disease which causes due to insufficient production of aldosterone from adrenal cortex
Adrenal cortex is an endocrine gland and hence he was called the father of endocrinology
Louis Pasteur is known for his work in the fields of modern microbiology ,he originated the pasteurization
R.H. Whittaker proposed the five Kingdom taxonomic classification that consists of animals,plants,fungi ,protista and Monera
Hence, the correct option is (B). Father of endocrinology is Thomas Addison.