Joseph F. Glidden was born in New York on Jan. 18, 1812. He invented barbed wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won, Gidden became known as the "Father of Barbed Wire".
4. Who is the only U.S. President to invent and patent something?
In 1849 Honest Abe invented a method to aid ships that got stuck on sandbars. He called it A Device for Buoying Vessels Over Shoals. It was never used.
5. Who synthesized the first wholly artificial gene?
Groovy, baby! Lava lamps, which were a fixture in every hip pad in the 1960s and 70s, featured a mixture of water and colored oil that created swirl patterns when heated by a light bulb.
Milk Tray was introduced in 1915 in open boxes arranged on wooden trays. Today, with its distinctive purple and gold cartons and popularised by the "Man in Black" television adverts, its one of the most popular chocolate assortments.