Rex Morgan, M.D. is a comic strip created by cartoonist Graham Nolan and distributed by King Features Syndicate. It follows the adventures of Dr. REX Morgan, a family practitioner who works at the fictional Riverside Hospital in the fictional city of Riverdale. The strip first appeared in newspapers on April 10, 1944 and has been running continuously ever since. The strip is known for its realistic portrayal of medical procedures and its focus on social issues.