Marietta Elizabeth Krieghbaum Walter Pruett, 77. died Monday in the George Davis Manor, West Lafayette, where she had been a resident since April 1993. She had been in failing health for several years.

She was born May 7, 1917 in South Bend to Charles Polk and Mattie Walters Krieghbaum. Her first marriage in 1937 was to George Walter, who was killed in February 1944 while flying a mission over the English Channel during World War II. Her second marriage was to Dr. Paul H. Pruett on June 14, 1945, a Brookston dentist from 1955 until 1979. He died on October 21, 1990.

She was a 1935 graduate of Rochester High School and attended Indiana University and Purdue University.

She was a homemaker and former resident of Monticello, Lafayette, and Brookville, FL. She enjoyed golf, bowling and bridge.

Survivors include a daughter, Mrs. Herbert (Lynda) Klepinger of Brookston, a son, Krieg Pruett of Elkhart; three grandchildren, Joni Jones of Cocoa. FL, Jackie Olds of Provo, UT, and James Klepinger of Indianapolis; and a great- grandson, Samuel Olds.

A memorial service will be conducted at 10 a.m. Saturday in Hartzler Funeral Home, Brookston, the Rev. Dale Hamilton and the Rev. Lelan McReynolds officiating.

Inurnment will be at Brook, IN.

Memorial contributions can be made to the American Lung Association.