When Was It First Observed ...

I was recently contacted by a univeristy professor looking to document the source and timing of the oft quoted statement, "Eleven o'clock on Sunday morning is the most segregated hour of the week."

Most attribute this statement to Dr. Martin Luther King; however, Dr. Billy Graham can be quoted as having said it before Dr. King.

But did you know, the observation was made far earlier in American history, in fact even before the turn of the 20th century?

I have summarized my own research on...