Synopsis: From great figures come our most noteworthy inventions, from the telephone to the theory of general relativity. But no great leader is perfect. H2 digs into the scandals and family secrets you won't find in textbooks in the special 10 Things You Don't Know. Observing the lives of renowned leaders, brilliant scientists and notorious criminals, viewers get an inside peek into their unknown pasts, from Ben Franklin's nefarious history to Albert Einstein's hidden family drama.
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