Description: Today’s science museums build on the efforts of biologist George Roemmert (1892-1952), whose “Microvivarium” projected images of amoebas and other microscopic creatures.
Description: In celebration of our friends at the National Archives’ #ElectionCollection campaign, we are sharing some unique photos of U.S. Presidents in our collection.
Description: In celebration of our friends at the National Archives’ #ElectionCollection campaign, we are sharing some unique photos of U.S. Presidents in our collection.
Description: In celebration of our friends at the National Archives’ #ElectionCollection campaign, we are sharing some unique photos of U.S. Presidents in our collection.
Description: In celebration of our friends at the National Archives’ #ElectionCollection campaign, we are sharing some unique photos of U.S. Presidents in our collection.
Description: In celebration of our friends at the National Archives’ #ElectionCollection campaign, we are sharing some unique photos of U.S. Presidents in our collection. Check back on the blog weekly until November 8th for a new #ElectionCollection highlight, and make sure to follow the fun via Twitter, Facebook, and Instagram! Related ResourcesJohn F. Kennedy, The White HouseSweet
Description: Henry David Hubbard (1870-1943), a physicist at the U.S. National Bureau of Standards, designed the first edition of the "Periodic Chart of the Atoms" in 1924. The chart is still in use today, continually updated to reflect new elements.
Description: A previously unpublished photograph, from the Science Service "morgue" files in Accession 90-105, shows two Nobel laureate physicists, Anton Lorentz and Albert Einstein, in 1926.
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