Abel, Sir Frederick Augustus (1827-1902), a British chemist. He was an authority on explosives. With Sir James Dewar, Abel invented cordite, a smokeless gunpowder, in 1889. From 1854 to 1888, Abel was chemist to the British War Department. He was created a baronet in 1893.
Albert Einstein was a pretty smart guy. When you look up the word "genius" in the dictionary, so the saying goes, it's a pretty safe bet you'll see Einstein's mug. Think you’re smart enough to take on a quiz about the famed thinker?
He's ventured to the abyss of black holes, wagered on the information paradox and floated around in zero gravity. Meet the man, the legend, the super scientist: Stephen Hawking.