Masaru Emoto
1943  

Robert Nalbandyan is the co-discoverer of the photosynthetic protein plantacyanin and a pioneer in the field of free radicals

1937  

Robert Curl discoverer of fullerenes, wich are one of only four types of naturally occurring forms of carbon (the other three being diamond, graphite and ceraphite)

1933  

Neil Bartlett prepared the first noble gas compound, xenon hexafluoroplatinate, Xe+[PtF6]-. This contradicted all ideas chemists had of the nature of valency, as it was believed that xenon, like all noble gases, was totally inert to chemical combination

1932  

Stanley L. Miller showed in the Miller-Urey experiment that, if a mixture of ammonia, methane and hydrogen be exposed to ultraviolet radiation and to water, it can interact to produce amino acids, the building blocks of life

1930  

Ilya Prigogine was a Belgian physicist and chemist noted for his work on dissipative structures, complex systems, and irreversibility

1917-2003  

Robert Burns Woodward was an American organic chemist, widely regarded as the preeminent organic chemist of the century. He made many outstanding contributions to modern organic chemistry, especially through the synthesis and structure determination of complex natural products

1917-1979  

Glenn Theodore Seaborg was prominent in the discovery and isolation of many transuranic elements (including plutonium, during the Manhattan Project)

1912-1999  
Melvin Calvin was a chemist most famed for discovering the Calvin cycle
1911-1997  
Roy J. Plunkett was the chemist who accidentally invented Teflon
1910-1994  

Willard Frank Libby was an American chemist, famous for his role in the  development of radiocarbon dating, a process which revolutionised archaeology

1908-1980  
Dr. Albert Hofmann is best known as the father of LSD
1906-2008  

Linus Carl Pauling was a pioneer in the application of quantum mechanics to chemistry, and was one of the founders of molecular biology

1901-1994  

Robert Sanderson Mulliken was primarily responsible for the elaboration of the molecular orbital method of computing the structure of molecules

1896-1986  

Henrik Carl Peter Dam was awarded the Nobel Prize in Medicine in 1943 for his work in discovering vitamin K and its role in human physiology

1895-1976  
John Lennard-Jones computational chemistry
1894-1954  
Henry Gilman organometallic chemistry
1893-1986  
Harold Clayton Urey peformed the Miller-Urey experiment with Stanley L. Miller
1893-1981  

Victor Goldschmidt was a chemist considered to be the founder of modern geochemistry and crystal chemistry, developer of the Goldschmidt Classification of elements

1888-1947  

Irving Langmuir advanced several basic fields of physics and chemistry, invented the gas filled incandescent lamp, the hydrogen welding technique, and did work in surface chemistry

1881-1957  
Lise Meitner studied radioactivity and nuclear physics
1878-1968  

Gilbert Newton Lewis coined the term "photon" for the smallest unit of radiant energy, published several papers on relativity, in which he derived the mass-energy relationship in a different way from Albert Einstein's derivation, defined the term odd molecule, formulated the Lewis theory of acids and bases, invented the chemical notation system called the Lewis dot structure

1875-1946  

Carl Bosch developed the Haber-Bosch process together with Fritz Haber, the Haber Process (also Haber-Bosch process) is the reaction of nitrogen and hydrogen to produce ammonia

1874-1940  
Richard Wilhelm Heinrich Abegg was the pioneer of valence theory
1869-1910  

Felix Hoffmann is best known for having synthesized acetylsalicylic acid (ASA) for the first time in a stable form usable for medical applications, which Bayer then started marketing as Aspirin

1868-1946  
S°ren Peder Lauritz S°rensen introduced the chemical concept pH
1868-1939  

Maria Skłodowska-Curie and Pierre Curie isolated and named  the radioactive elements polonium and radium, and pioneered the science of radiology

1867-1934, 1859-1906  

Alfred Werner developed the basis for modern coordination chemistry and proposed the octahedral configuration of transition metal complexes

1866-1919  
Vladimir Vernadsky
1863-1945  
Paul Ehrlich is noted for his work in hematology and immunology, and coined the term chemotherapy
1854-1915  

Wilhelm Ostwald invented the Ostwald process used in the manufacture of nitric acid, leading to mass production of fertilizers and explosives. He also did significant work on dilution theory leading to his discovery of the law of dilution which is named after him

1853-1932  

William Ramsay published several notable papers on the oxides of nitrogen and followed these up with the discovery of argon, helium, neon, krypton, and xenon

1852-1916  
Hermann Emil Fischer his name can still be found in the names of many chemical reactions and concepts
1852-1919  

Jacobus Henricus van 't Hoff accounted for the phenomenon of optical activity by assuming that the chemical bonds between carbon atoms and their neighbors were directed towards the corners of a regular tetrahedron. This three-dimensional structure perfectly accounted for the isomers found in nature

1852-1911  

Henry Louis Le Chatelier is most famous for Le Chatelier's principle, which is used by chemists to predict the effect of a change in conditions on a chemical equilibrium

1850-1936  

Sir James Dewar discovered a process to produce liquid oxygen in industrial quantities, developed an insulating bottle, Dewar flask, still named after him, to study low temperature gas phenomena, and observed that cold charcoal could produce a vacuum

1842-1923  

Johannes Diderik van der Waals was the first to realise the necessity of taking into account the volumes of molecules and the intermolecular forces (now generally called "van der Waals forces") in establishing the relationship between the pressure, volume and temperature of gases and liquids

1837-1923  

Alexander Mitscherlich his most important work was in the field of processing wood to create cellulose

1836-1918  
Dmitri Ivanovich Mendeleev was the creator of the Periodic Table of Elements
1834-1907  
Angelo Mariani started marketing a wine called Vin Mariani which had been treated with coca leaves
1832-1914  

Julius Lothar Meyer was contemporary and competitor of Dmitri Mendeleev to draw up the first periodic table of chemical elements. Some five years apart, both Mendeleev and Meyer worked with Robert Bunsen

1830-1895  

Friedrich August KekulÚ von Stradonitz discovered the ring shape of the benzene molecule after dreaming of a snake seizing its own tail

1829-1896  

Emil Erlenmeyer formulated the Erlenmeyer Rule: All alcohols in which the hydroxyl  group is attached directly to a double-bonded carbon atom become aldehydes or ketones

1825-1909  

Louis Pasteur is known for his demonstration of the germ theory of disease and his development techniques of inoculation, most notably the first vaccine against rabies; he also made a major discovery in the field of chemistry, regarding asymmetric molecules and the polarization of light

1822-1895  

Robert Wilhelm Bunsen perfected the burner that was named after him, invented by British chemist/physicist Michael Faraday, and worked on emission spectroscopy of heated elements

1811-1899  
Thomas Graham discoverd the medical method known as dialysis
1805-1869  

Justus von Liebig made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry

1803-1873  

Friedrich W÷hler is best-known for his synthesis of urea, but was also the first to isolate several of the elements

1800-1882  

Jean Baptiste AndrÚ Dumas is best known for his works on organic analysis and synthesis, as well as the determination of atomic weights (relative atomic masses) by measuring vapor densities

 

1800-1884  
Friedrich Wilhelm SertŘrner isolated morphine from opium
1783-1841  

J÷ns Jakob Berzelius invented modern chemical notation and is considered one of the fathers of modern chemistry

 

1779-1848  
Bernard Courtois discovered iodine
1777-1838  

Amedeo Avogadro is most noted for his contributions to the theory of molarity and molecular

weight. The number of molecules in one mole is called Avogadro's number is honor of him, as is Avogadro's law

1776-1856  
John Dalton is most well known for his advocacy of the atomic theory
1766-1844  
Johan Gadolin discovered the element yttrium, the first rare earth element
1760-1852  

Antoine-Laurent de Lavoisier is often referred to as the father of modern chemistry, stated the first version of the Law of Conservation of Matter, recognized and named oxygen, disproved the phlogiston theory, and helped to reform chemical nomenclature

1743-1794  

Carl Wilhelm Scheele was the discoverer of many chemical substances, most notably discovering oxygen before Joseph Priestley

1742-1786  
Joseph Priestley his most important achievement was the isolation of oxygen by heating mercuric oxide
1733-1804  
Henry Cavendish is credited with having discovered hydrogen
1731-1810  
Joseph Black discovered carbon dioxide (which he called `fixed air┤)
1728-1799  

Robert Boyle is largely regarded today as the first modern chemist and among his works "The Sceptical Chemist" is seen as a cornerstone book in the field of chemistry

1627-1691  
Jan Baptist van Helmont
1580-1644  
Michal Sedziwˇj
1566-1636  
John Dee
1527-1609  
  Georg Agricola
1490-1555  
Nicholas Flamel
1330-1419  
  Arnaldus de Villanueva
1235-1313  
Abu Bakr al Razi
854-925  
Jabir Ibn Hayyan
721-815