Grover Vernon McCracken (1919-2001) was a military veteran who served in the 84th Naval Construction Battalion (Seabees) during World War II. The Grover Vernon McCracken photograph collection contains black-and-white photograph documenting McCracken's family and friends and his WWII military service in Australia, the Philippines, and Japan.

Llewelyn Riggs McKay (1904-1975) was a professor at the University of Utah who served as head of the Language Department from 1945 until 1965. His father, David O. McKay, was the ninth president of the Church of Jesus Christ of Latter-Day Saints. This collection contains portraits of Llewelyn McKay, David O. McKay, and photographs of the McKay family. It also contains photographs documenting the mission that Llewelyn McKay served in Germany between 1922 and 1925.

Joseph W. McMurrin (1858-1932) was a general authority, member of the First Council of the Seventy, and president of the California Mission of the Church of Jesus Christ of Latter-Day Saints. The Joseph W. McMurrin photograph collection contains 1 image of the leaders of the Latter Day Saints Church on September 1925 and another undated image of an unidentiied ship.

Amy Toda Meeker skied competitively in Japan in the 1940s and was a member of the University of Utah Ski Team from about 1947 to 1950. The Amy Toda Meeker photograph collection contains images of Meeker and friends skiing in the 1940s.

Doris S. Melich (1913-2007) was a leader in Utah's Girl Scouts of America who, in her later years, served on the boards of many arthritis organizations. The Doris S. Melich photograph collection contains images of Melich's life, family, friends, and participation in Girl Scouts activities dating from 1950 to 1999.

Nancy Melich was the theatre critic for the Salt Lake Tribune for nearly 30 years. This colleciton contains approximately 1,500 images related to Broadway, off Broadway, and Utah theatre collected by Melich over the course of her career, with the bulk of the images dating from 1980-1999.

The Waldo Midgley photograph collection contains photographs related to Utah-born American artist Waldo Midgley.

David Eugene Miller (1909-1978) was a historian and history professor at the University of Utah. The David E. Miller photograph collection contains photographs and slides related to Miller's historical research into the history of Utah and the American West.

Lutie Marshal Miller taught at the Poston Internment Camp, a concentration camp for Japanese-Americans that operated in southern Arizona from 1942 to 1945. This collection contains images of the nursing facilities at Poston.

Robert L. Miller (1950-2011) was a researcher into the history of science and religion who worked for the Marriott Library Special Collections and Archives between 1983 and 1993. This collection contains photograph prints and copy prints collected by Miller during the course of his research into Henry Eyring and the history of science and religion.

Stormy Mitsui (1922-2010) owned and operated the City Cafe in Salt Lake City, Utah with his wife Chiyoko Yokoyama Mitsui. This collection contains photographs, slides and negatives of Stormy Mitsui’s family portraits, events and gatherings, City Café, Stormy's remote control model airplane hobby, vacations to Japan and California, and hunting and fishing.

Allan J. Moll was a radio broadcaster in California and worked for Utah's KDYL radio and Channel 4 television at the beginning and end of his career. After retiring from broadcasting, he worked as a lawyer in Utah. The Alan J. Moll photograph collection contains images of a radio event in 1964.

Ina Moore (1891-1955) was married to Leon "Lee" Allen, who served in the United States Army in the 20th Infantry Company B between approximately 1918 and the early 1920s. This collection contains photographs of Allen during his service, as well as photographs of the officers and soldiers of the 20th Infantry Company B and C in various places throughout Utah.

David Breck Morris (1938-2004) worked for Kennecott Copper Corporation in various capacities, including senior systems analyst, senior computer programmer, and manager of market research. This collection contains potraits of Morris and photographs of unidentified mountain landscapes.

Dorothy Mortensen (1916-2014) was Managing Editor of Publication for the Utah State Historical Society. From 1970 to 1976, she worked in the correspondence section of the White House Staff, during which time she served as writer and editor for the President's Advisory Council on Historic Preservation. The Dorothy Mortensen photograph collection contains 89 slides and prints depicting Mortensen's family, acquaintances, and career dating from 1970 to 2009.

This colleciton contains four black and white portraits of Oscar W. and Mary Preston Moyle's family, including: James Moyle, Mary (Snider) Wood, and her husband, Daniel Wood.

William Blaine Murdock (1902-1986) attended the University of Utah from 1919 to 1924, where he was one of the founders of the Sigma Nu fraternity and was elected President of Ute Days in 1924. The William Blaine Murdock photograph collection contains 10 black-and-white photographs of students whitewashing the U on Ute Days in 1924.

Wesley Chamberlin Neff (1918-1945) was a University of Utah alumnus who served in the United States Air Force during World War II and died in an accident while serving in Germany in 1945. This collection contains black-and-white photographs depicting Neff's military service and his wife, Mary Glass Neff, as well as ephemera and clippings related to Neff's inclusion in World War II memorials.

The Lyle Nelson photograph collection consists of images and clippings documenting Lyle Nelson's career as a biathlete. Nelson is a four time Olympic biathlete from McCall, Idaho.

L. Jackson Newell (1938-) is an educator, writer, and historian who served as dean of education at the University of Utah before serving as president of Deep Springs College in California from 1995 to 2004. This collection contains photographs and postcards mostly related to the history of Deep Springs College and Newell's time as its president in the 1990s.