Black and white scan of a cartoon from the Seattle Industrial Worker, February 3, 1917.

IWW Cartoon

Cartoon from the Seattle Industrial Worker, February 3, 1917.

Izaak Kolthoff

Izaak Kolthoff

Izaak Kolthoff, 1932.

Izaak Kolthoff

Izaak Kolthoff

Izaak Kolthoff, 1952. Used with the permission of the University of Minnesota Department of Chemistry.

A young Kolthoff on vacation in the mountains, somewhere in Europe, ca. 1910s.

Izaak Kolthoff hiking in Europe

A young Kolthoff on vacation in the mountains, somewhere in Europe, ca. 1910s. Used with the permission of the University of Minnesota Department of Chemistry.

Izaak Kolthoff in retirement

Izaak Kolthoff in retirement

Izaak Kolthoff in retirement, ca. 1970s.

Izaak Kolthoff lecturing in Russia, 1958.

Izaak Kolthoff lecturing in Russia

Izaak Kolthoff lecturing in Russia, 1958. Used with the permission of the University of Minnesota Department of Chemistry.

Izaak Kolthoff with University of Minnesota Chemistry Department faculty

Izaak Kolthoff with University of Minnesota Chemistry Department faculty

Izaak Kolthoff (front row, fourth from left) with University of Minnesota Chemistry Department faculty, 1934. Samuel Lind is at Kolthoff’s right. Used with the permission of the University of Minnesota Department of Chemistry.

Izaak Kolthoff with University of Minnesota President C. Peter Magrath at the dedication of Kolthoff Hall

Izaak Kolthoff with University of Minnesota President C. Peter Magrath

Izaak Kolthoff (left) with University of Minnesota President C. Peter Magrath at the dedication of Kolthoff Hall, 1972. Used with the permission of the University of Minnesota Department of Chemistry.

Iŋyaŋ Tiyopa (Stone Door)

Iŋyaŋ Tiyopa (Stone Door)

Iŋyaŋ Tiyopa (Stone Door), a natural limestone arch in Frontenac State Park sacred to Dakota and Meskwaki people. Photograph by Wikimedia Commons user McGhiever, October 3, 2012. CC BY-SA 3.0.

Official portrait of Minnesota Governor J. A. A. Burnquist, 1919. Painted by Carl A. Bohnen.

J. A. A. Burnquist

Official portrait of Minnesota Governor J. A. A. Burnquist, 1919. Painted by Carl A. Bohnen.

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