Named after: Burril Crohn, an American gastroenterologist. 

A chronic inflammatory condition of the gastrointestinal tract, often affecting the ileum and colon. Symptoms include abdominal pain,diarrhea,weight loss,and malnutrition. It is a type of inflammatory bowel disease (IBD)

Named after. Augustin Nicolas Gilbert, a French physician. 

A hereditary liver disorder resulting in mildly elevated bilirubin levels, typically without significant symptoms. It is often detected incidentally during routine blood  test and is usually benign.

Named after: Allen Whipple, an American suergon

A complex surgical procedure that involes removing the head if the pancreas,part of the small intestine, the gallbladder, and the bile duct. It is performed primarily to treat pancreatic cancer or other disease affecting the pancreas and nearby organs.The full name if this procedure is pancreaticoduodenectomy (pancreatic/o =pancreas,duodenum/o=duodenum(first part of the small intestine),-ectomy= surgical removal).