Statue of Liberty of War; since 1933 it has been maintained by the National Park Service. Public access to the balcony around the torch has been barred for safety since 1916. According to the National Park Service, the idea for the Statue of Liberty was first proposed by Édouard René de Laboulaye, president of the French Anti-Slavery Society and a prominent and important political thinker of his time. The project is traced to a mid-1865 conversation between de Laboulaye, a staunch abolitionist, and Frédéric Bartholdi, a sculptor. In after-dinner conversation at his home near Versailles, Laboulaye, an ardent supporter of the Union in
Statue of Liberty public protest against the proposed exterior painting. The Army Corps of Engineers studied the patina for any ill effects to the statue and concluded that it protected the skin, "softened the outlines of the Statue and made it beautiful." The statue was painted only on the inside. The Corps of Engineers also installed an elevator to take visitors from the base to the top of the pedestal. On July 30, 1916, during World War I, German saboteurs set off a disastrous explosion on the Black Tom peninsula in Jersey City, New Jersey, in what is now part of Liberty State