John Francis Cahlan, a native Nevadan, worked as the editor of the Las Vegas Review-Journal. He also worked to support education and preserve Nevada history, advocating for the establishment of the Nevada State Archives. He was born in Reno, Nevada in 1902, and attended the University of Nevada, earning a degree in journalism in 1926, and worked for the Nevada State Journal.
He moved to Las Vegas in 1929 to work at the Review-Journal, co-owned by his brother A.E. Cahlan. In addition to his work at the paper, he also served as a Clark County juvenile officer, as a Regent for the Nevada Higher Education System, and was active in community groups. After leaving the Review-Journal, he served as the managing director of the Southern Nevada Industrial Foundation. He worked to preserve Las Vegas and Nevada history and helped push through legislation to create the Nevada Division of Records and Archives. He passed away in 1987.