[4] He worked on the first US-designed radar unit in Australia, which was subsequently used to direct bombers during the Battle of the Coral Sea.
[1] Gray was discharged from the army on 10 May 1946 with the rank of Staff Sergeant posted to 2 SPECIAL RADAR DET RAA.
He work for the Department of Civil Aviation on RADAR installation at Sydney Airport, and on engineering projects for the Metropolitan Water, Sewerage & Drainage Board.
[1] The company made significant contributions to pacemaker technology including the first definition of the relationship between surface area of the heart electrodes & pacing pulse characteristics, the first use of integrated circuits and the first hermetic titanium encapsulation.
Legal action over the sale of faulty "J Lead" electrodes, inherited by Telectronics in acquisition of pacemaker manufacturer Cordis corporation of Miami led to the company having to settle extensive worldwide compensation claims.
This led to the sale of Telectronics assets to, eventually, St. Jude Medical of Minneapolis and Pacific Dunlop restructuring itself into Ansell.