1. Dorothy Mengering appeared on camera on Late Night with David Letterman on the "Parents' Night" broadcast of February 25,1986, in which the parents of many Late Night staffers were seen.

1. Dorothy Mengering appeared on camera on Late Night with David Letterman on the "Parents' Night" broadcast of February 25,1986, in which the parents of many Late Night staffers were seen.
Dorothy Mengering lived in Carmel, Indiana, at the time of her death.
Dorothy Mengering was born Dorothy Marie Hofert in Linton, Indiana, the oldest child of Lena M and Earl Jacob Hofert.
Dorothy Mengering spent a year at Indiana University before marrying Harry Joseph Letterman in 1942, with whom she had three children: Jan, David, and Gretchen.
In 1983, she married again, this time to Hans Dorothy Mengering, a retired engineer and decorated World War II veteran who died on March 12,2013.
Dorothy Mengering made her first in-person appearance on Late Night as part of the "Parents' Day" broadcast of February 25,1986.
Letterman's phone calls would usually involve Dorothy Mengering being asked to review a movie or a TV show, share a recipe, or recount a recent event in her life; on one occasion, she was asked to present a Top Ten list of things in her refrigerator.
Dorothy Mengering reprised her role as Late Show Olympic commentator in 1998 and 2002, covering the Winter Games held in Nagano, Japan and Salt Lake City, Utah.
Dorothy Mengering made annual appearances on Thanksgiving, via satellite from her Indiana home, for a feature entitled "Guess Mom's Pies".
Dorothy Mengering appeared regularly a few days before Mothers' Day and made occasional visits on her birthday.
In 2015, Dorothy Mengering suffered a stroke, but recovered months later.
Dorothy Mengering died on April 11,2017, of natural causes at her home in Carmel, Indiana, at the age of 95.
Dorothy Mengering died one day shy of the 70th birthday of her son, David Letterman.