Motorola executive who came up with the engineering idea of the first mobile phone, which was manufactured by his company.
He spent three years in the U.S. Navy, serving as a communications officer.
He expanded the capabilities of Motorola's wireless technologies and worked on the prototype of the first wireless telephone.
He had a son and a daughter with his wife Margaret.
His work built on the pioneering experiments of Jozef Murgas, who was one of the first to study wireless radio transmissions.