Ginger spice canister, J.R. Watkins Company, Winona, Minnesota, c.1920–c.1945.

Red pepper canister, J.R. Watkins, Winona, Minnesota, 1913–1920.

Vanilla extract bottle, J.R. Watkins, Winona, Minnesota, c.1895–c.1912.

Aerial view, Mayo Clinic and surrounding area, Rochester, 1972. Photographer: Vincent H. Mart.

Statue of William and Charles Mayo, Mayo Park, Rochester, c.1952.

Dr. Charles H. Mayo, c.1935.

Dr. William J. Mayo and Dr. Charles H. Mayo with President Franklin Roosevelt, Rochester, 1934.

Dr. William J. Mayo, c.1933.

Desk F at the Mayo Clinic, Rochester, 1933.

Mayo Clinic, Rochester, c.1928.