Sara Newmann said her father had congestive heart failure. He had lived in Reston for more than 20 years before moving to an assisted living facility in Oakland, Calif., two years ago.
Dr. Newmann began his career as an international economist with the Ford Foundation. He had spent four years in Jakarta, Indonesia, when his kidneys failed in 1971 as a result of a congenital condition.
More about John Newmann and his life time accomplishments and advocacy: http://www.washingtonpost.com/local/obituaries/john-m-newmann-advocate-for-kidney-patients-dies-at-70/2011/09/08/gIQAxZL6CK_story.html