Donald R. Rummel, Ph.D. passed away on March 5, 2019. Family and friends will gather to celebrate his life of 81 years at 11 a.m. on Saturday, March 9, 2019, at Broadway Church of Christ. Graveside services will be held at the Wellington Cemetery.Donald R. Rummel was born on June 11, 1937, to Gilroy and Lola Holland Rummel in Wellington, TX. Donald married Ada Thomas Rummel on January 28, 1958, in Hereford, Texas.Don was born on a dryland cotton farm in Collingsworth County The love of the soil directed his career as a cotton insect researcher. Dr. Rummel was a world-recognized authority on the cotton boll weevil, with numerous professional publications to his credit.In preparation for his career, Don attended Texas A&M University. Where he earned his B.S., M.S., and Ph.D. degrees in Entomology. While at A&M he was an active member of the Corp of Cadets, serving as First Sargent of his outfit A-AAA and on the Regimental staff.After completion of his bachelor’s degree, he served in the United States Army, on an active duty assignment at Fort Bliss, in the classified message center during The Bay of Pigs.Don was married to his high school sweetheart for 61 years, raising three daughters, five grandchildren, and two great-grandchildren with a third on the way.Survivors include his wife, Ada Thomas Rummel; daughter, Lezlie Rummel Cuellar and husband Albert; daughter, Jamie Rummel, daughter, Leah Rummel Howard and husband, Preston; grandchild, Ashley (Gibson) Cuellar Gilmore, grandchild, Trent (Patricia) Rummel Cuellar, grandchild, Carlie Rummel Schoultz, Aubrey Rose Webb, Carl Brice Webb, IV; niece, Kathy Cox Allen and husband Stewart;, nephew, Fredrick Tony Cox and wife, Debbie; great-grandchildren, Guilherme “Gui” Mikulski Amaral, Logan Mikulski Cuellar; and Baby Gilmore.He was preceded in death by his father, Gilroy Martin Rummel; mother, Lola Mabel Rummel; sister, Louise Cox; and brother-in-law, Fred Cox.