The Scientific Method According to Ben Franklin: George Whitefield’s Preaching and the Exodus

“He [Whitefield] ... preach’d one evening from the top of the Court-house steps, which are in the middle of Market-street, ... I had the curiosity to learn how far he could be heard, ... I found his voice distinct till I came near Front-street... Imagining then a semi-circle, ... fill’d with auditors, to each of …