The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact.

The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact.

The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact.

The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact.

The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact.

The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact.