Rochester's claim to fame is the Mayo Clinic, founded by Drs. William James Mayo and Charles Horace Mayo in the early 20th century. What began as a family practice became the world's first private integrated group practice when the Mayos and their partners consolidated into a team to diagnose and treat patients. Mayo Clinic has since become renowned for its advanced technologies and firsts in the world of medicine. The clinic established the country's first blood bank in 1933, and in 1950 its doctors earned the Nobel Prize for the discovery of cortisone. Learn More...