Explanation:
Endocrinology is the study of hormones and endocrine glands e.g. pancrease, pituitary gland. Thyroid gland, adrenal gland, pineal gland, ovary etc.
- Thomas Addison is known as the father of endocrinology he was the first person who discovered "Addison's disease" which is an endocrine disorder.
- R.H. Whittaker first proposed the five kingdom taxonomic classification (animals, plantae, fungi, protista and monera).
- William Einthoven was the first to discover electrocardiogram.
- Louis Pasteur is the father of bacteriology/ microbiology.