Steve Round (born 1970) is a military veteran who has lived in Las Vegas, Nevada since 2013. Round was a guest at the Aria hotel and casino when the mass shooting occurred at the Route 91 Harvest festival on October 1, 2017. On October 2, 2017 Round began to build a memorial at Reno Avenue at the south end of the Las Vegas Strip. Once the memorabilia from the memorial was taken to the Clark County Museum Round moved to the Welcome to Fabulous Las Vegas sign and began to assist in that site's protection until October 10, 2017.

Ellen B. Jensen was a Las Vegas, Nevada newspaper editor and writer active in the late 1960s. She edited and wrote for the monthly Las Vegas Review Journal Jr. from November 1968 to August 1969 and used the bylines Ellen B. Jensen, Jenell, and Ellie. She also wrote articles for the Las Vegas Sun ("Sunday Scene") and Las Vegas Review Journal ("The Nevadan") from 1966 to 1969.

Norman C. Jensen (1913-1996) was a Lieutenant Colonel in the United States Army. He served in both World War II and the Korean War, and was captain of the Coast Artillery Corps assigned to the 31st Coast Artillery Regiment. The documents in this collection were discovered by Lt. Col. Jensen when he was stationed at Fort Taylor in Key West, Florida in 1945.