History of mobile phones
A cellular telephone switching plan was described by Fluhr and Nussbaum in 1973, and a cellular telephone data signaling system was described in 1977 by Hachenburg et al.
Daniel Drawbaugh
Daniel Drawbaugh (July 14, 1827 – November 2, 1911) was a purported inventor of the telephone for which he sought a patent in 1880. His claims were contested by the Bell Telephone Company, which won a court decision in 1888.