Who was first lady from 1897 to 1901?

Who wrote the 1895 novel "The Time Machine"? In 1896, Ellery Clark won Olympic gold in which event with a leap of about 20 feet 10 inches? Which city hosted the first modern Olympic Games in 1896? The 1896 Supreme Court case Plessy v. Ferguson upheld racial segregation under the doctrine of "separate but" what? In 1897, which future revolutionary was exiled to Siberia, 20 years before leading the October Revolution? In 1897, Theodor Herzl convened the first of which congresses in Basel, Switzerland? Which 1897 novel includes the line "There are such beings as vampires; some of us have evidence that they exist"? The 1898 Battle of San Juan Hill was fought during which war?