Oscar Erick Brandt passed away in his sleep at his Medford, Ore., residence at the age of 91.

Mr. Brandt was born March 5, 1920, in Big Stone City, S.D. He was one of seven boys and one girl born to Paul and Hedwig Brandt.

Mr. Brandt's education started in a one room country school house in S.D. He graduated from High School and pursued a math and engineering degree at Hamline University in St. Paul, Minn., U.C.L.A., and San Jose State University.

He met Edna Kristine Erickson of St. Paul, Minn., and married her in 1941, in Los Angeles, Calif.

He was employed in the engineering field at Northrop Aircraft (1941 1949), on the flying fighters XP56 and XP79, also the flying wing bombers XB35 and YB49. He transferred to Lockheed Aircraft, Burbank Calif., in 1949 as a design engineer on the P80, T33 and the C130 cargo plane. He worked for Kelly Johnson's Skunk Works, Palmdale, Calif., before transferring to Lockheed Missiles & Space, Sunnyvale, Calif. He was one of the core group design engineers creating the Agena Space vehicle. He became engineering design manager for Lockheed's NASA programs and later for classified Air Force programs. He acquired a patent for Super/Zip separation systems.

After he retired from Lockheed in 1976, he moved to Incline Village, Nev., then later moved to Grass Valley, Calif., where he belonged to Peace Lutheran Church, Sierra for the blind, and Sons of Norway Guldalen 128. In 2004, he moved to Eagle Point, Ore., where he attended the St. John Lutheran Church.

He is survived by Barbara Brandt Schmaltz (Larry), of Eagle Point, Ore.; John Brandt (Laurie), of Los Gatos, Calif.; Richard Brandt (Artis), of Billings, Mont.; six grandchildren; and two great-granddaughters of the San Francisco Bay Area.

He was preceded in death by his wife of 67 years, Edna, who passed away April 13, 2009 at their home in Eagle Point. He was also preceded in death by his son, David; one sister, Elizabeth; and six brothers, George, Walter, Alfred, Earnest, Arnold, and Harold.

Private interment will be held at Oak Hill Cemetery in San Jose, California.