Charles Longenecker, 91, passed away on August 21, 2023 at Landis Homes in Lititz, Pa. He graduated from Lancaster Mennonite School in 1950. He also graduated from Eastern Mennonite College with a B.S. in secondary education majoring in biology, and from Cornell University with a M.S. in biology.
He taught biology for 40 years at Lancaster Mennonite High School. He was beloved by thousands of students for his lively and engaging teaching. Many students in his classes discovered a love for biology, and followed that love into lifelong work in health care, science, agriculture and other biology-related areas. He also led many delightful nature hikes for members of the wider community in parks and recreational settings.