Step 1 : Introduction to the question "10. Time line -- The birth of the airplane is born at Kitty Hawk, NC. Which person is NOT a contemporary of the others?"
...1. John Phillip Sousa 2. Samuel Clemens 3. John Dillinger 4. Elvis Presley The time line was 1903. Elvis Presley was born in 1935 and died in 1977. John Phillip Sousa was born in 1854 and died in 1932. John Dillinger was born in 1903 and was killed in 1934. Samuel Clemens or Mark Twain was born in 1835 and died in 1910.
