| − | Born and reared in Ponca City in Kay County in northern Oklahoma, he was the son of Robert C. Nichols and the former Coeweene Bryan.<ref>{{cite web|url=https://www.okhistory.org/publications/enc/entry.php?entry=NI005|title=Nickels, Donald Lee|publisher=okhistory.org|accessdate=July 15, 2021}}</ref><ref>{{cite book|url=https://books.google.com/books?id=VwvScLjCam4C&q=Coeweene+Robert+Nichols|title=Who's who in the South and Southwest|date=October 1984|isbn = 9780837908199}}</ref> He attended Ponca City public schools. While studying at [[Oklahoma State University]] at Stillwater, from which he obtained a Bachelor of Arts in business administration in 1971, he and his wife, the former Linda Lou Morrison, operated Don Nickles Professional Cleaning Service there. After college, he worked for Nickles Machine Corporation in Ponca City, a business begun in 1918 by his grandfather, Clair A. Nichols (1887-1984).<ref>{{cite web|url=http://digital.library.okstate.edu/encyclopedia/entries/N/NI005.html|title=Nickles, Donald Lee|accessdate=July 3, 2008|author=Dianna Everett|publisher=Oklahoma Historical Society, ''The Encyclopedia of Oklahoma History & Culture}}</ref> | + | Born and reared in Ponca City in Kay County in northern Oklahoma, he was the son of Robert C. Nichols and the former Coeweene Bryan.<ref name=okhistory{{cite web|url=https://www.okhistory.org/publications/enc/entry.php?entry=NI005|title=Nickels, Donald Lee|publisher=okhistory.org|accessdate=July 15, 2021}}</ref><ref>{{cite book|url=https://books.google.com/books?id=VwvScLjCam4C&q=Coeweene+Robert+Nichols|title=Who's who in the South and Southwest|date=October 1984|isbn = 9780837908199}}</ref> He attended Ponca City public schools. While studying at [[Oklahoma State University]] at Stillwater, from which he obtained a Bachelor of Arts in business administration in 1971, he and his wife, the former Linda Lou Morrison, operated Don Nickles Professional Cleaning Service there. After college, he worked for Nickles Machine Corporation in Ponca City, a business begun in 1918 by his grandfather, Clair A. Nichols (1887-1984).<ref name=okhistory/> |