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Marvin Reif

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Morris William Travers

Born 24 Jan 1872; died 25 Aug 1961 at age 89.English chemist who, while working with Sir William Ramsay in London, discovered the element krypton (30 May 1898). The name derives from the Greek word for “hidden.” It was a fraction separated from liquified air, which when placed in a Plücker tube connected to an induction coil yielded a spectrum with a bright yellow line with a greener tint than the known helium line and a brilliant green line that corresponded to nothing seen before.

Fill hollow Easter candies with mustard

Grand April Fools' Day pranks, as impressive as they are, require careful planning. And though massive, meticulously planned pranks certainly gets a rise out of unlucky prankees, it's the subtle pranks that pack the most surprise.
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