Henri D. Grissino-Mayer


417 Burchfiel Geography Building
Phone: 865-974-6029
E-mail: grissino@utk.edu

Departmental Website

Henri Grissino-Mayer is a professor of geography and director of the Laboratory of Tree-Ring Science. He uses dendrochronology, the science of tree rings, to learn about the past environment. He uses tree-ring data to analyze the history of wildfires in the Southeastern US, examine how climate has changed over recent centuries, and absolutely date when historic structures and objects (such as musical instruments) were created. He and his students have appeared in television documentaries shown on the History Channel, the Discovery Channel, the Investigation Discovery Channel, the Learning Channel, the Weather Channel, the National Geographic Channel, and Court TV.

Topics of expertise: wildfires, climatic change, historic structures, hurricanes, natural hazards

Recent media coverage:


On a warm, clear November Tuesday in Gatlinburg, Tennessee, survivors paused to remember the dead—the 14 people killed in a fast-moving wildfire that swept out of the Great Smoky Mountains National Park a year ago, leaving behind more than 2,500 ruined homes and businesses. The Daily Beast, Matt K. Smith, Dec. 2

The whirr of a drill could be heard at Abraham Lincoln’s Boyhood Home at Knob Creek near Athertonville Monday as a team of students from UT took tiny core samples from the four walls of the site’s log cabin. LaRue County Herald News, Mary Hinds, Dec. 13

Leveled by the Nov. 28, 2016, wildfire that swept through its town and killed 14 people, Gatlinburg's Roaring Fork Baptist Church is rebuilt — bigger, better and blessed. News Sentinel, Times Free Press, Dec. 25

On October 30, 1962, a 20-year-old double bass player named Gary Karr took the stage at Town Hall in his New York City debut. Mental Floss, Kat Long, Dec. 27


Professor Henri Grissino-Mayer has come to Hodgenville, Kentucky to solve a mystery almost as old as Abraham Lincoln himself. CBS Sunday Morning(also ran on WDEF), Feb. 11; WVLT, Feb. 12

With the ground already saturated and more rain in the forecast, experts warn that many areas of East Tennessee are at an increased risk of landslides. WBIR, Grant Robinson, Feb. 12

Find similar experts

Discipline: ,

Areas of Focus: , ,