Francis Scott Key wrote "The Star Spangled Banner" after observing the British attack on Fort McHenry during the War of 1812. Inspired by seeing the American flag still flying after the battle, the song became the national anthem of the United States. John James Audubon was a French-American ornithologist and painter who developed a love of nature as a child. He is renowned for his detailed illustrations of birds in his book "Birds of America." Henry Wadsworth Longfellow was a famous American poet who wrote many popular poems, including "Paul Revere's Ride," which is still remembered today for its portrayal of an important event in American history and its inspiration to young writers.