who discover the  hyoscine?
594206
It was used in medieval times as a pain reliever. There is no documented info as to who first discovered it.
709934
How about the guys and girl that discovered the structure of DNA?? James Watson, Francis Crick, Rosalind Franklin, and Wilklins. Def all born after 1800 and made a HUUUGGGE impact in life, genome, and life. OR the guy who disocvered penecillin...there are a lot.
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--> http://www.google.com/search?hl=en&lr=&safe=off&q=Hyoscyamus+muticus+&btnG=Search
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Although the stimulant and hunger-suppressant properties of coca had been known for many centuries, the isolation of the cocaine alkaloid was not achieved until 1855. Many scientists had attempted to isolate cocaine, but none had been successful for two reasons: the knowledge of chemistry required was insufficient at the time, worsened because coca does not grow in Europe and ruins easily during travel.\n\nThe cocaine alkaloid was first isolated by the German chemist Friedrich Gaedcke in 1855. Gaedcke named the alkaloid “erythroxyline,” and published a description in the journal Archives de Pharmacie.\n\nIn 1856, Friedrich Wöhler asked Dr. Carl Scherzer, a scientist aboard the Novara (an Austrian frigate sent by Emperor Franz Joseph to circle the globe), to bring him a large amount of coca leaves from South America. In 1859, the ship finished its travels and Wöhler received a trunk full of coca. Wöhler passed on the leaves to Albert Niemann, a Ph.D. student at the University of Göttingen in Germany, who then developed an improved purification process.\n\nNiemann described every step he took to isolate cocaine in his dissertation titled Über eine neue organische Base in den Cocablättern (On a New Organic Base in the Coca Leaves), which was published in 1860—it earned him his Ph. D. and is now in the British Library. He wrote of the alkaloid's “colourless transparent prisms” and said that, “Its solutions have an alkaline reaction, a bitter taste, promote the flow of saliva and leave a peculiar numbness, followed by a sense of cold when applied to the tongue.” Niemann named the alkaloid “Cocain”—as with other alkaloids its name carried the “-in” ending (derived from the Latin suffix -ina).
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the answer is Clyde. please give me the points! i knew!!!
411114
He was a chemist who discovered guncotton and ozone.  I'm sure Wiki would have an entry on him, and maybe some actual refrences
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Looking for  the cure to the migraine headache chemists at the Swiss pharmaceutical company,  Sandoz discovered LSD, which contributed greatly to psychology. I dare you to come up with a better success story!
1000845
Chemistry really started to be differentiated from alchemy in the 1650s and 60s by an Irish gentleman name Robert Boyle.  His work _The Sceptical Chymist_, which is seen today as the cornerstone of modern chemistry, took the concepts of late alchemy and the methodical reasoning of early physics and combined them into an entirely new discipline.
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Where is Calimecita when you need her!!!\n\nArchaeopteridales\n(Upper Devonian to Mississippian)\nPerhaps one of the most remarkable paleobotanical discoveries is the work done by Charles B. Beck in the 1960s. Through careful and painstaking work, he was able to demonstrate that the fossil wood known as Callixylon and the leaves known as Archaeopteris, shown at left, were actually part of the same plant. This may sound trivial, until one realizes that the fossil record seldom preserves whole organisms intact. \nIn the case of Archaeopteris, the leaves were reminiscent of ferns, and in fact produced and released spores in a manner consistent with this interpretation. As a result, they were considered to be some sort of fossil fern. The wood Callixylon, by contrast, was considered similar to modern conifers, and was placed with the seed plants. When Dr. Beck demonstrated that fossils of Archaeopteris were physically attached to Callixylon wood, it was realised that the plant, now collectively called Archaeopteris, was actually an extinct group of plants unlike any living plants today -- it had both wood and fern-like reproduction. \n\nYes...........I cut and pasted. (Hoping it would all make sense to you!!)
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One of the earliest Greek philosophers, Thales of Miletus (c. 7th century BC), maintained that the universe contained a creative force that he called physis, an early progenitor of the term physics; he also postulated that the world and all living things in it were made from water.\n\nwant proof....see ths site.http://www.britannica.com/eb/article-48831
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wow! that's an awesome discovery!!!!\n\n\nthanks a lot for the links.\n\npeace.
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http://www.aquinas-multimedia.com/stjoseph/galileo.html\n\nMy guess was Galileo and I was right.  Here, look.\n\nBut according to a book I have, the greeks noticed it first.  It was Galileo that proposed the theory to the world.
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"penicillin" was discovered by Alexander Flemming
19097
I remember reading an article on it recently (past few months) - I think it was in Discover magazine.\n\nThat might be a good place to start.
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Joseph Priestley, a chemist and minister, discovered that when he isolated a volume of air under an inverted jar, and burned a candle in it, the candle would burn out very quickly, much before it ran out of wax. He further discovered that a mouse could similarly "injure" air. He then showed that the air that had been "injured" by the candle and the mouse could be restored by a plant. In 1778, Jan Ingenhousz, court physician to the Austrian Empress, repeated Priestley's experiments. He discovered that it was the influence of sun and light on the plant that could cause it to rescue a mouse in a matter of hours. In 1796, Jean Senebier, a French pastor, showed that CO2 was the "fixed" or "injured" air and that it was taken up by plants in photosynthesis. Soon afterwards, Theodore de Saussure showed that the increase in mass of the plant as it grows could not be due only to uptake of CO2, but also to the incorporation of water.
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Thallium (Greek θαλλός, thallos, meaning "a green shoot or twig") was discovered by Sir William Crookes in 1861 in England while he was making spectroscopic determinations for tellurium on residues from a sulfuric acid plant. The name comes from Thallium's bright green spectral emission lines. In 1862 Crookes and Claude-Auguste Lamy isolated the metal independently of each other.
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Robert Esnault-Pelterie would be most likely inventor if you wish to agree with the majority of researchers.\nFeel free to visit the source for information over the two mentioned inventors.