Samuel Langhorne Clemens is the actual name of Mark Twain. Mark Twain
was his pen name with which he used to write for the Keokuk Post. Before
starting as a writer, Mark Twain worked as an apprentice printer, then
served in the army for some time as soldier in American civil war, and
then in a mine. One of the jobs for which he got recognition for other
than writing was that of a lecturer. He was profoundly known for his
story telling abilities and stage presence. Mark Twain was born weeks
after the Halley's comet was seen and died on the same day as the Halley
comet was next seen, a span of 75 years. "Don't tell fish stories where
the people know you; but particularly, don't tell them where they know
the fish