Leland Mark Nichols, 71, of Fulton, went to meet The Creator, and the greatest scientist and physician in the universe on Wednesday, March 13, 2019. He was born in Fulton on July 13, 1947, the son of the late John Nichols and the late Oleta May (Lockett) Nichols. On October 7, 1972, Mark was united in marriage to Rebecca "Becky" (Moore) Nichols. She survives his passing. Mark retired after 35 years of service with the Missouri Department of Health as a Public Health Scientist. He worked the next eight years part-time at the University of Missouri as a Microbiologist conducting counter bio-terrorism research and with the Electrical Engineering Department working with Pulsed Power Theory. Mark served in the United States Air Force from 1967 until 1971 during the Vietnam War. Mark's hobbies were racing, reading, and anything to do with science. He wrote screenplays and short stories. Mark was a published author and wrote the book The Ruby. He enjoyed collecting science equipment and had an extensive library of science and chemistry books. Mark was a member of First Christian Church, Kingdom of Callaway Historical Society, and VFW Post 2657. Mark will be sadly missed and lovingly remembered by his wife of 46 years; sons, Mark Anthony Nichols of Fulton, and Shannon Matthew Nichols (Rachel) of Fulton; sister, Lona Sharon Warner of Fulton; grandsons, Luke, Wade, Jacob and Eli Nichols; niece, Angie Parkes (Andy); and great-niece and nephew, Ellena and Lewis Williams. In addition to his parents, Mark was preceded in death by brothers, Murray and Elvin Nichols; grandsons, Jason and Joshua Nichols; brother-in-law, Richard Warner; and sister-in-law, Shirley Nichols. Funeral services will be held at 11 a.m. on Monday, March 18, 2019 at First Christian Church of Fulton with Reverend Heather Patten and Reverend Mike Haldeman officiating. Friends will be received from 5:00 p.m. until 7:00 p.m. on Sunday, March 17, 2019 at Maupin Funeral Home in Fulton. Interment with Military Honors will be in Hopewell Cemetery in New Bloomfield. Memorial donations are suggested to First Christian Church, c/o Maupin Funeral Home, 301 Douglas Boulevard, Fulton, MO 65251. Condolences may be left for the family at www.maupinfuneralhome.com.