Take a stroll through the Boston Public Garden, the nation's oldest botanical garden, and you'll find an array of plaques, monuments, and memorials honoring famous people of history. Not far from a statue of George Washington on horseback, there's a tall monument that honors not a person, but a chemical. This tribute to ether is probably the world's only monument to a drug. A statue representing the Good Samaritan tops the structure, which displays the inscription, "There shall be no more pain."
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