Boeing Vertol Co. v. Workmen's Compensation Appeal Board

Opinion by

Judge Craig,

Boeing Vertol Company, as employer, has appealed the Workmens Compensation Appeal Boards affirmance of a referees decision granting total disability benefits to claimant Donald Coles, employed as an engineering writer of technical manuals. The referee found that stressful employment situations and events caused the claimant to suffer a compensable injury in the nature of an aggravation of pre-existing cardiovascular disease.

*390The employers primary contention is that the claimants subjective reaction to normal work conditions was the sole cause of the cardiac injury, and…