Lesson 15-The damned Human race . Author Mark Twain(1835-1901) was born Samuel Langhorne Clemens in Florida Missouri but lived as a child in hannibal Missouri, on the Mississippi river. He took the pen name Mark Twain from the call of the pilots on the river steamers, which indicated that the water was twelve feet deep a safe depth for a steamer. W BTL E To be continued on the next page.W B T L E Lesson 15—The Damned Human Race Mark Twain (1835-1901) was born Samuel Langhorne Clemens in Florida, Missouri, but lived as a child in Hannibal, Missouri, on the Mississippi River. He took the pen name Mark Twain from the call of the pilots on the river steamers, which indicated that the water was twelve feet deep, a safe depth for a steamer. I. Author To be continued on the next page