ABOUT JOHN FRANCIS MITCHELL
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.
