You are correct. If I recollect the electric bulb had at least 10 inventors. In fact one of them was an Englishman who had patented it 2 years in England befor

You are correct. If I recollect the electric bulb had at least 10 inventors. In fact one of them was an Englishman who had patented it 2 years in England before Thomas Edison had patented it in America. The radio transmission/reception had two other inventors other than Marconi.