Question: how is Guglielmo Marconi and Karl Ferdinand Braun connected?
Sentence (from "Guglielmo Marconi (Piccirilli)"): Guglielmo Marconi is a public artwork by Attilio Piccirilli, located at the intersection of 16th and Lamont Streets, N.W., in the Mount Pleasant neighborhood of Washington, D.C., United States.
Relevant evidence: No