John P. Merrill John P. Merrill John Putnam Merrill (March 10, 1917 – April 14, 1984) was an American physician and medical researcher. He led the team which performed the world's first successful kidney transplant. He generally credited as the "father of nephrology" or "the founder of nephrology," which is the scientific study of the kidney and its diseases. Merrill was born in 1917 in Hartford, Connecticut. After graduating from Dartmouth College in 1938, he attended the Harvard Medical School. He graduated in 1942; and he was an intern at the Peter Bent Brigham Hospital. During World War II, he served for four
Nephrology "adult nephrology". The second pathway is through Pediatrics leading to a speciality in Pediatric Nephrology. In the United States, after medical school adult nephrologists complete a three-year residency in internal medicine followed by a two-year (or longer) fellowship in nephrology. Complementary to an adult nephrologist, a pediatric nephrologist will complete a three-year pediatric residency after medical school or a four-year Combined Internal Medicine and Pediatrics residency. This is followed by a three-year fellowship in Pediatic Nephrology. Once training is satisfactorily completed, the physician is eligible to take the American Board of Internal Medicine (ABIM) or American Osteopathic Board of Internal