[PAR] [TLE] William Worrall Mayo [SEP] William Worrall Mayo ( ; May 31, 1819 – March 6, 1911) was a British-American medical doctor and chemist.  He is best known for establishing the private medical practice that later evolved into the Mayo Clinic.  He was a descendant of a famous English chemist, John Mayow.  His sons, William James Mayo and Charles Horace Mayo, established a joint medical practice in Rochester in the U.S. state of Minnesota in the 1880s. [PAR] [TLE] Mayo Clinic [SEP] The Mayo Clinic is a nonprofit medical practice and medical research group based in Rochester, Minnesota.  It employs more than 4,500 physicians and scientists and 57,100 allied health staff.  The practice specializes in treating difficult cases through tertiary care.  It spends over $660 million a year on research.
[PAR] [TLE] William Worrall Mayo [ SEP ] William Worrall Mayo ( ; May 31 , 1819 – March 6 , 1911 ) was a British - American medical doctor and chemist . He is best known for establishing the private medical practice that later evolved into the Mayo Clinic . He was a descendant of a famous English chemist , John Mayow . His sons , William James Mayo and Charles Horace Mayo , established a joint medical practice in Rochester in the U.S. state of Minnesota in the 1880s . [PAR] [TLE] Mayo Clinic [ SEP ] The Mayo Clinic is a nonprofit medical practice and medical research group based in Rochester , Minnesota . It employs more than 4,500 physicians and scientists and 57,100 allied health staff . The practice specializes in treating difficult cases through tertiary care . It spends over $ 660 million a year on research .
Which non profit practice and medical research group based in Rochester, Minnesota was founded by William Worrall Mayo?
Which non profit practice and medical research group based in Rochester , Minnesota was founded by William Worrall Mayo ?
The Mayo Clinic
The Mayo Clinic