Before revision: He died of natural causes, per his son, Robert Weaver Jr. Notes References Corliss, W. R. 'Evolution of Satellite Tracking and Data Acquisition Network STADAN from pre-IGY AND Minitrack facilities'.
After revision: He died of natural causes, per his son, Robert Weaver Jr. Notes ReferencesFurther reading Corliss, W. R. 'Evolution of Satellite Tracking and Data Acquisition Network STADAN from pre-IGY AND Minitrack facilities'.