Multimedia | Page 424

Izaak Kolthoff in retirement

Izaak Kolthoff in retirement, ca. 1970s.

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 (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

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), 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.

J. A. A. Burnquist

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

J. Edgar Hoover

J. Edgar Hoover, director of the FBI during Hamm and Bremer kidnappings, in 1940. Hoover guided the FBI’s attempts to rid the US of “public enemies” like the Barker‒Karpis gang.