Planet Neptune Discovered! September 23, 1846
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By Alexander Haimann, Collections Specialist
On September 23, 1846, Astronomer Johann Galle pinpointed the planet Neptune through a telescope at the Berlin Observatory in 1846. To celebrate this event, the National Postal Museum has created a mini-exhibit highlighting different postage stamps with connections to the Planet Neptune and the timeline of its discovery. Look for the connection to our virtual museum’s namesake!
About the Author
Alexander T. Haimann, Collections Specialist & Web Projects Developer at the Smithsonian National Postal Museum, collects and writes primarily about the stamps and postal history of the U.S. during the first one hundred years of stamp production (1847-1947). Additionally, he develops internet based education projects and exhibits for the National Postal Museum. He is a member of the Board of Directors of the American Stamp Dealers Association, the Chair of the American Philatelic Society’s Young Philatelic Leaders Fellowship and the publicist for the United State Philatelic Classics Society. His national and international society memberships include the American Philatelic Society, United States Stamp Society, Collectors Club of New York and the Royal Philatelic Society London.
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