The Solarium has served as a sitting room, television area, foosball arena, and now pocket billiards parlor, but its significance relates to something far more serious, for on its north wall is the chapter's "Gold Star" plaque. This bronze honors our brothers who gave their lives in the service of the nation during World War II
- Robert Edward Allen '39 – 2nd Lieutenant U.S. Air Force killed in Germany, March 24, 1945
- John Kenneth Austin '43 – The Omicron Arrow of May 1942 carried the following story:
"[The]Omicron's first casualty of World War II occured on May 8 when a plane piloted by John Austin '43 crashed in mid-air at 5,000 feet over a residential section of Phoenix, Arizona. Austin was a student in the instrution school at Luke Field and was engaged in instrument flying. Another plane approached from beneath and was not observed by Austin until just before the collision. Members of the Omicron wore their badges in mourning and attended the funeral, held in Chicago." - George Newton "Pete" Blackford '43 – Lieutenant, served as a "shavetail" in the Army Air Corps, flying B-17s, Brother Blackford was killed in Africa, July 16, 1943.
- Stafford William Drake '40 – Lieutenant, U.S. Marine Corps, killed in the South Pacific, November 20, 1943.
- Edward Clarke Garvey '45 – Lieutenant, U.S. Army, killed in action over Vienna, February 7, 1945.
- James Knight Latham '43 – Marine captain, killed during the invasion of Okinawa, May 16, 1945.
- William Alexander Patrick Sullivan, Jr. '37 – Brother Sullivan was commander of a squadron of B-24s in the Army Air Corps according to Cam Brown in March '43. The documentary record does not indicate any further information.