Following Ron Roizen's suggestion, I summarize here my private post to Carolyn
Carter Johnson who is researching the career of her great great grandfather
"Dr." John Switzer Cunningham as a temperance lecturer in the USA and England
for the Independent Order of Good Templars.  Predictably I suggested that for
background she might care to read the introduction and first chapter of my
book, Temperance & Racism: John Bull, Johnny Reb, and the Good Templars
(Kentucky, 1996).  I also pointed out that the Good Templars originated in the
early 1850s, so the lecture that Cunningham made in Philadelphia in the 1840s
could not have been under Good Templar auspices.  I also noted that many
temperance lecturers worked the circuit on both sides of the Atlantic.