While traveling to Europe by ship, he fell ill with the flu, and spent the rest of World War I recuperating in a New York City hospital.
[3] After serving with the United States military in Allied-occupied Germany, Larry Gilbertz met and married Verna Ann Howell in September 1955.
Gilbertz worked for a uranium company based in Douglas, but left the industry to maintain the family ranch.
[5] Due in part to his wife's diagnosis of ovarian cancer in 1996, Gilbertz chose to retire from the state senate upon the completion of his second term in office.
[7] Governor Matt Mead ordered the Wyoming state flag to be flown at half-staff on November 30, 2011, to commemorate Gilbertz.