Dennis was born January 4, 1944, in Hillsboro, Ks the son of Elmer K. and Ruby M. Richert Schroeder. He grew up and attended school in Marion graduating from Marion High School in 1962. He then attended Fort Hays State for a year and Southwestern University for three semesters.
For a time, he was employed by Duffines Optical in Topeka where he made lenses and later worked for KDOT on a survey crew.
His hobbies included fishing, mathematics, physics, and astronomy. He was preceded in death by his parents and a close friend Peggy Dietz.
He is survived by his brother Edsel of Marion and cousins.
The funeral service will be 10:00 a.m. Saturday, January 6, 2018, at the Zeiner Funeral Home, Marion. Interment will follow at the Marion Cemetery. Visitation will be Friday evening from 6 – 8 at the funeral home.
A memorial has been established with the American Cancer Society.