The victims were identified as David Mitchell Jr. and Helen Mitchell, the Allegheny County Medical Examiner's Office said. The explosion in Crescent Township, just outside of Pittsburgh ...

David Mitchell, a Palo Alto attorney, environmental advocate and community volunteer, died on Wednesday, Dec. 19, after a battle with lymphoma. He was 83 years old. Mitchell was a tax and estate ...

David was born August 26, 1934, in Wisconsin to Joseph David Mitchell Jr. and Mildred Appleby Mitchell. David grew up in Stilwell, Okla., and Fayetteville, Ark. After graduating from Fayetteville ...