Complex sentence: The tower housed signaling functions until 1958, and is associated with Guglielmo Marconi who received the Nobel Prize in 1909 for physics and communication and who received the first trans-Atlantic transmission of the human voice at Signal Hill in 1920.
Split into simpler sentences: The tower housed signaling functions until 1958, and it is associated with Guglielmo Marconi who received the Nobel Prize in 1909 for physics and communication. Marconi received the first trans-Atlantic transmission of the human voice at Signal Hill in 1920.