Lee was born on April 19, 1931 to Lela P. and Ross V. Duvall of Waverly, Kansas.
He attended Waverly Grade School and Waverly High School, graduating in 1949. He graduated from the University of Kansas in 1954 with a B.S. in Civil Engineering and in 1970 received an M.S. in Environmental Health Engineering. Following college, he was employed with Cities Service Oil Company, Schwab & Eaton Consulting Engineers, and the Environmental Protection Agency. He served 28 years with the United States Air Force in both active and reserve status, retiring in 1982 with rank of Lt. Colonel. He was a member of Rolling Hills Presbyterian Church in Overland Park.
Lee was preceded in death by his wife of 59 years, Mary Ann Duvall. He is survived by his children, Steve Duvall, Stacia Duvall, Greg Duvall and Carol Jantsch. Survivors also include daughter-in-law Elaine Duvall and son-in-law John Jantsch; 12 grandchildren: Owen Kemp, Thomas Kemp (Michelle), Jenna Oehlerking (Luke), Michael Duvall (Cassidy), Sara Jantsch (Tyler), Maggie Duvall, John Duvall (Elise), Ellie Duvall, Ellen Jantsch (Ryan), Phoebe Rusie (Kevin), Mary Jantsch, Rachel Laffitte (Norris); 15 great-grandchildren and two more on the way. He is also survived by his dear friend Marian Twedt.
A family memorial service will be followed by a graveside service in Waverly Cemetery.
The family wishes to extend our deepest appreciation to Dr. Carne Nulton who for many years provided kind and attentive care for our father. In lieu of flowers, the family suggests contributions in honor of Dr. Nulton to FIRE Foundation, The Catholic Center, 20 W. Ninth Street, Kansas City, MO 64105. firefoundation.org.