Franklin was first to propose a way of proving that lightning was an electrical phenomenon. It was actually Thomas-François Dalibard who was first to run the ex

Franklin was first to propose a way of proving that lightning was an electrical phenomenon. It was actually Thomas-François Dalibard who was first to run the experiment (a month before the famous kite experiment by Franklin), but Dalibard based his version of the experiment on a proposal by Franklin, so Franklin is properly credited.