Complex sentence: Antonio Santi Giuseppe Meucci (1808--1889) was a compatriot of Italian revolutionary Giuseppe Garibaldi, and an inventor, best known for developing a voice communication apparatus which several sources credit as the first telephone.
Split into simpler sentences: Antonio Santi Giuseppe Meucci (1808--1889) was an Italian inventor, a compatriot of revolutionary Giuseppe Garibaldi,. He was best known for developing a voice communication apparatus which several sources credit as the first telephone.