Which 19th-century scientist's mother and wife both came from the Wedgwood pottery family?

Which 19th-century American essayist, first name Henry, wrote "Walden"? Which 19th-century author wrote the novel "Black Beauty"? Which 19th-century flag was nicknamed the "Stars and Bars"? Nathaniel Currier's famous 19th-century lithography firm partnered him with which man? The 19th-century traveler Isabella Bird became the first woman elected a fellow of which British society, founded in 18… Credited to Hans Lippershey in 1608, which instrument did Galileo famously turn toward the sky in 1609? Who was the first Englishman to sail around the world? What is the first line of the theme song Carol Burnett sang to close her variety show?