The artist who traveled to the Louvre in hopes of painting one gallery containing several masterpieces, only to find the gallery filled with contemporary works was Samuel E.B. Morse. <span>After having established his reputation as a portrait painter, in his middle age Morse contributed to the </span>invention<span> of a single-wire </span>telegraph<span> system based on European telegraphs. He was a co-developer of the </span>Morse code<span>, and helped to develop the commercial use of telegraphy.</span> I hope that this is the answer that you were looking for and it has helped you.