Rhett Diessner

News Release

LC State Arbor Day celebration will honor Diessner on April 29

LEWISTON, Idaho – The Lewis-Clark State College Arboretum Committee and Psychology Club will plant a commemorative tree on Arbor Day to celebrate the 34 years of service to the college by retired professor Rhett Diessner.

The Arbor Day Celebration will take place on April 29 at 10 a.m. near Meriwether Lewis Hall and the gazebo in the center of campus. The event is sponsored by the LC State Arboretum Committee and the city of Lewiston.

Diessner, who retired last spring, taught a variety of classes at LC State, including psychology. He won several honors through the years, including being the first professor at LC State to be honored as the Carnegie Foundation for Advancement of Teaching’s Idaho Professor of the Year in 2005. He received the college’s Foundation Award in 2020 for excellence in teaching and scholarly activities. He received the President’s Award for Excellence in Diversity and Cross-Cultural Understanding and was honored by both professional and student organizations for excellence in teaching. In 2016, he received the Warrior Service Award for his outstanding service and dedication to the college.

The LC State campus has more than 1,000 trees with 100 different species and cultivars. LC State Arboretum is recognized as a Tree Campus Higher Education with the Arbor Day Foundation, and it is an accredited Arboretum with ArbNet and the Morton Register.

For more information on the event, contact Carrie Kyser, chair of the LC State Arboretum Committee, at [email protected].

An empty bench next to a lake and tree


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