Karl Siegfried Bauer, 82, of Kailua-Kona died Jan. 8 in Kailua-Kona. Born in Trenton, N.J. He was a telecommunications manager and U.S. Air Force veteran. Private services. Online condolences: ballardfamilymortuaries.com. Survived by wife, Marsha; son Ross (Christina) Bauer of Houston; daughter, Elise Bauer of Montclair, N.J.; sister, Gretchen Schaeffer of Hamilton, N.J.; five grandchildren; nieces and nephews. Services provided by Ballard Family Mortuary-Kona.