Color image Ecolab buildings, St. Paul, July 2017.

Ecolab buildings

Ecolab buildings, St. Paul, July 2017. In the foreground, the new Ecolab headquarters in downtown St. Paul. Behind can be seen the old tower on Wabasha, still bearing the Ecolab name.

Black and white photograph of Economics Laboratory, 144–146 South Livingston Avenue, St. Paul, ca. 1955.

Economics Laboratory

Economics Laboratory, 144–146 South Livingston Avenue, St. Paul, ca. 1955.

Black and white photograph of economics Laboratory employees, 1935.

Economics Laboratory employees

Economics Laboratory employees, 1935.

Black and white photograph of Economics Laboratory, 293 Como Avenue, St. Paul, October 8, 1962.

Economics Laboratory, 293 Como Avenue, St. Paul

Economics Laboratory, 293 Como Avenue, St. Paul, October 8, 1962.

Black and white photograph of an Economics Laboratory, 800 Eustis Street, St. Paul, ca. 1956.

Economics Laboratory, St. Paul

Economics Laboratory, 800 Eustis Street, St. Paul, ca. 1956.

Black and white photograph of Edna G. Gerdes, missionary to India, ca. 1970.

Edna G. Gerdes

Edna G. Gerdes, missionary to India, ca. 1970.

Black and white photograph of Edward Clark Potter, c.1899.

Edward Clark Potter

Edward Clark Potter, c.1899.

Black and white photograph of Edward F. Waite and his wife, Alice Maud Waite, c.1935.

Edward F. Waite and Alice Maud Waite

Edward F. Waite and his wife, Alice Maud Waite, c.1935.

Black and white photograph of Edward F. Waite posed with students at Waite Park School, c.1955.

Edward F. Waite posed with students at Waite Park School

Edward F. Waite (first row, center right) posed with students at Waite Park School, c.1955. Photograph by Newburg Studio.

Black and white portrait of Edward Foote Waite, 1918.

Edward Foote Waite

Edward Foote Waite, 1918. Along with his other work, Waite was a founding member of the Minneapolis NAACP. Photograph by the Lee Brothers.

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