German inventor born on January 7, 1834, in Ulm, Baden-Württemberg, Germany, and died on January 14, 1874. Known for his contributions to electroacoustics, Reis is particularly renowned for his prototype of the telephone.
German inventor born on January 7, 1834, in Ulm, Baden-Württemberg, Germany, and died on January 14, 1874. Known for his contributions to electroacoustics, Reis is particularly renowned for his prototype of the telephone.