Kristen Callihan said this quote
“ Mr. Alexander Graham Bell claims to have invented [photophone transmitter], though really it was created through a collaborative effort with Mr. Charles Sumner Tainter. In all honesty,” she said, “a great inventor needs a healthy amount of conceit. Mr. Bell and, fellow inventor, Mr. Edison would declare they’d created the moon and the tides between them if they could get away with the claim. ”