2 Michael Faraday(Scientist)
Michael Faraday was an English scientist known for his contribution to the study of electrochemistry and electromagnetism. Considered one of the most influential scientists ever, Faraday's inventions of electromagnetic rotary devices established the basis for electric motor technology. His research also helped understand the concept of the electromagnetic field. Ernest Rutherford called him one of the greatest scientific discoverers ever.
3 Louis Pasteur(Chemist and Microbiologist)
4 George Washington Carver(Agricultural scientist)
5 Dmitri Mendeleev(Inventor of Periodic Table)
6 Alfred Nobel(Chemist)
Alfred Nobel was a Swedish chemist, engineer, and inventor. A prolific inventor, he held 355 different patents. Most popular as the inventor of dynamite, he was concerned with how he would be remembered after his death and bequeathed his fortune to the Nobel Prize institution. A wide traveler, he was proficient in several languages.
7 Rosalind Franklin(Chemist)
8 Ernest Rutherford(Physicist)
New Zealand physicist Ernest Rutherford is remembered as the father of nuclear physics. His discovery of radioactive half-life and of radon, and his differentiation of alpha and beta radiation, won him the Nobel Prize in Chemistry in 1908. Element 104 was named rutherfordium in his honor.
9 Antoine Lavoisier(Chemist)
Antoine Lavoisier was a French chemist and nobleman. He played a crucial role during the chemical revolution of the 18th-century. Widely regarded as the father of modern chemistry, Lavoisier had a major influence on the history of biology as well as the history of chemistry. He also helped build the metric system.
10 Linus Pauling(Chemist, Biochemist)
Only person to win two unshared Nobel Prizes, Linus Carl Pauling was an American theoretical physical chemist, who received the 1954 Nobel Prize in Chemistry for his work on nature of chemical bond and 1962 Nobel Prize for Peace for his efforts to stop nuclear weapon testing. Also a prolific writer and educator, he has published 1,200 books and papers.
11 John Dalton(Chemist, Physicist and Meteorologist Best Known for Developing the 'Atomic Theory')
John Dalton was an English chemist, physicist, and meteorologist most famous for introducing the atomic theory into chemistry. He also contributed a lot to the study of color blindness, sometimes referred to as Daltonism in his honor. He was the first scientist to refer to the smallest particle of matter as an “atom.” He was a Quaker and lived modestly.
12 Robert Boyle(Founder of Modern Chemistry, Boyle's Law)
Robert Boyle was an Anglo-Irish chemist, natural philosopher, inventor, and physicist. Regarded as the first modern chemist, Boyle is often counted among the founders of modern chemistry. One of the pioneers of the scientific method, Robert Boyle is also remembered for his books, including The Sceptical Chymist, which is viewed as a keystone book in chemistry.
13 Fritz Haber(Chemist)
Fritz Haber was a German chemist who was honored with the prestigious Nobel Prize in Chemistry for inventing the Haber-Bosch process. The process is used widely to synthesize ammonia from hydrogen gas and nitrogen gas. For his pioneering work in weaponizing poisonous gases like chlorine during World War I, Haber is referred to as the father of chemical warfare.
14 Joseph Priestley(Discoverer of Oxygen)
Best remembered for his contribution to the chemistry of gases, Joseph Priestley was an English scientist, clergyman, political theorist and educator, who has been credited with discovering oxygen independently, publishing his findings before Carl Wilhelm could. A prolific writer, he has authored 150 works on various subjects including electricity. He also contributed immensely to the advancement of political and religious thoughts.
15 Amedeo Avogadro(Chemist and Physicist)
Son of a reputed senator and lawyer in Italy, Amedeo Avogadro was himself a qualified lawyer. However, he later delved into research as a mathematical physicist and is best remembered for laying down the Avogadro’s law, contributing to the molecular theory of gases. The Avogadro constant is named after him.
16 Henry Moseley(Physicist)
Henry Moseley was an English physicist best known for his development of Moseley's law in X-ray spectra. He made major contributions to the fields of atomic physics, nuclear physics, and quantum physics. He was working at the University of Oxford when World War I broke out, following which he went to volunteer for the Royal Engineers of the British Army.
17 Henry Cavendish(English Scientist Who Discovered Hydrogen)
English natural philosopher, scientist, and a prominent experimental and theoretical physicist and chemist Henry Cavendish is best-remembered for his discovery of hydrogen and his Cavendish experiment. He first recognized that hydrogen, which he termed inflammable air, is a discrete substance which produces water on combustion. He conducted the Cavendish experiment to measure and produce a value for Earth’s density.
18 Hans Christian Ørsted(Physicist)
Hans Christian Ørsted was a Danish chemist and physicist. He was the first person to discover that electric currents can be used to create magnetic fields. His discovery was the first relationship found between magnetism and electricity. Oersted, the unit of the auxiliary magnetic field H, is named in his honor.
19 Otto Hahn(Chemist)
20 Ahmed Zewail(Chemist)
21 Frederick Sanger(Biochemist)
Frederick Sanger remains one of only two people to have won the Nobel Prize twice in the same category. The British biochemist is remembered for his ground-breaking work on nucleic acids and the insulin molecule. The son of a Quaker medical missionary, Sanger, too, grew up believing in Quakerism.
22 William Henry Perkin(Chemist)
William Henry Perkin is best remembered for his chance discovery of the dye mauveine, made of aniline purple. He had apparently discovered the dye while attempting to synthesize quinine. The Royal Medal-winning British chemist also studied salicyl alcohol and flavoring agents and synthesized the first artificial perfume.
23 Dorothy Hodgkin(Biochemist)
Dorothy Hodgkin received the 1964 Nobel Prize for mapping the structure of penicillin and Vitamin B12. She is also known for her work on insulin. Beginning her work on structure of an organic compound by using X-ray crystallography as an undergraduate student, she later developed it further and used it to determine the three-dimensional structure of complex organic molecules.
24 Glenn T. Seaborg(Chemist)
Glenn T. Seaborg was an American chemist who shared the 1951 Nobel Prize in Chemistry with Edwin McMillan for discovering the first transuranium elements. He also authored or co-authored several books and articles, including 500 scientific journals. In 2005, Glenn T. Seaborg was inducted posthumously into the National Inventors Hall of Fame.
25 Stephanie Kwolek(Chemist)
Stephanie Kwolek was an American chemist remembered for her invention of Kevlar. She worked at the DuPont Company for over four decades and was awarded the company's Lavoisier Medal for her discovery. In 1995, she was inducted into the National Inventors Hall of Fame, becoming the fourth woman to be inducted. She also won other awards including the Perkin Medal.
26 Robert Bunsen(Chemist)
Chemist Robert Bunsen paved the path for spectrum analysis with his discovery that every element emits a light of a particular wavelength. He also co-developed and lent his name to the Bunsen burner. He almost died of arsenic poisoning and lost sight in his right eye in a laboratory explosion.
27 Svante Arrhenius(Scientist)
Svante Arrhenius was a Swedish scientist who became the first Swedish person to win a Nobel Prize when he won the Nobel Prize for Chemistry in 1903. Although he was originally a physicist, Arrhenius is widely accepted as a chemist and is best remembered for co-founding physical chemistry. Stockholm University houses the Arrhenius Labs, which is named in his honor.
28 Josiah Willard Gibbs(Scientist)
Josiah Willard Gibbs was an American scientist best remembered for making major theoretical contributions to mathematics, physics, and chemistry. As a mathematician, Gibbs is credited with inventing modern vector calculus. In 1901, he was honored with the prestigious Copley Medal for his contributions. Josiah Willard Gibbs's work had a major influence on physicists like J. D. van der Waals.
29 William Ramsay(Chemist)
The son of a civil engineer, Nobel Prize-winning Scottish chemist William Ramsay revolutionized science with his pathbreaking discovery of the noble gases, thus forming an entirely new segment of the periodic table. He is also remembered for his long association with UCL. He was knighted for his achievements.
30 Justus von Liebig(Scientist)
German chemist Justus von Liebig is best known for his research on organic compounds and his contribution to biochemistry and agriculture. The Copley Medal-winning scientist initially studied pharmacy but later switched to chemistry. As a professor, he stressed on laboratory-based teaching of chemistry and separating it from pharmacy, opposing traditional methods.
31 Jöns Jacob Berzelius(Chemist, Non-fiction writer, University teacher)
Jöns Jacob Berzelius was a Swedish chemist who is often counted among the founders of modern chemistry alongside Robert Boyle, Antoine Lavoisier, and John Dalton. He is also referred to as the Father of Swedish Chemistry. Jöns Jacob Berzelius is also credited with making immense contributions to the field of stoichiometry. In 1836, he was honored with the Copley Medal.
32 Joseph Louis Gay-Lussac(Chemist)
Known for his pathbreaking Gay-Lussac's Law, French chemist-physicist Joseph Louis Gay-Lussac was also the first, along with his colleague Alexander von Humboldt, to discover that water is composed of one part of oxygen and two parts of hydrogen. His name is one of the 72 that adorn the Eiffel Tower.
33 Irène Joliot-Curie(Chemist)
Marie Curie and Pierre Curie’s daughter, Irène Joliot-Curie, herself a brilliant scientist, won the 1935 Nobel Prize in Chemistry, along with her husband, Joliot-Curie, for discovering artificial radioactivity. She was also one of the first three female French government members. She tragically died of leukemia caused by exposure to radiation.
34 Albert Hofmann(The First Person to Synthesize LSD)
Swiss chemist Albert Hofmann was the first known person to synthesize the psychedelic effects of lysergic acid diethylamide (LSD). Interested in science from a young age, he studied chemistry at the University of Zürich. As a chemist, he conducted several significant studies and authored more than 100 scientific articles and books. He was a recipient of the prestigious Scheele Award.
35 Tu Youyou(chemist, pharmacologist, inventor, university teacher)
Chinese phytochemist and malariologist Tu Youyou is best remembered for her Nobel Prize-winning discovery of the anti-malarial drug qinghaosu, or artemisinin. She is the first Chinese female Nobel laureate. A tuberculosis infection in her younger days had inspired her to step into medicine. She later studied traditional Chinese medicine, too.
36 Harold Urey(Chemist)
37 Mario J. Molina(Chemist)
Mario J. Molina was a Mexican chemist who played a key role in understanding and explaining the threat from chlorofluorocarbon (CFC) gases to the Earth's ozone layer, which earned him the prestigious Nobel Prize in Chemistry in 1995. Molina was the third Mexican-born Nobel laureate and the first Mexican-born person to win a Nobel Prize in Chemistry.
38 Friedrich Wöhler(German chemist)
Friedrich Wöhler was a German chemist best remembered for his contribution to the field of inorganic chemistry. He was the first person to isolate the chemical elements yttrium and beryllium in pure metallic form. Friedrich Wöhler was also the first person to prepare many inorganic compounds such as silicon nitride and silane.
39 Humphry Davy(Inventor of Davy Lamp)
Best remembered for his invention of the Davy lamp, a safety lamp for miners, Humphry Davy initially aspired to be a doctor but later deviated to chemistry. The Copley Medal winner had co-founded the Zoological Society of London. He also excelled in writing poetry and loved fishing.
40 George de Hevesy(Chemist)
Nobel Prize-winning Hungarian-Swedish chemist George de Hevesy is best remembered for his research on isotopic tracer techniques to study animal metabolism. He is also credited with co-discovering the element hafnium with physicist Dirk Coster. He fled the Nazi regime and moved first to Denmark and then to Sweden.
41 Charles Macintosh(Chemist, Inventor)
42 Percy Lavon Julian(Chemist)
Percy Lavon Julian was an American chemist whose work paved the way for the production of birth control pills and corticosteroids. Julian went on to start his own company which helped reduce the price of steroid intermediates. In 1973, Percy Lavon Julian was inducted into the National Academy of Sciences and became the first African-American to receive this honor.
43 Robert Burns Woodward(Organic Chemist)
44 Louis Slotin(Physicist)
45 Aleksandr Borodin(Composer, Chemist)
Aleksandr Borodin was a Russian musical composer. He was one of the popular 19th-century group of musicians known as The Five, who worked together to create a national style of classical music. A chemist and doctor by profession, Borodin also made important contributions to organic chemistry. His best known work as a chemist is his work pertaining to organic synthesis.
46 August Kekulé(Chemist)
August Kekulé was a German organic chemist. Regarded as one of the most important chemists in Europe, Kekulé is credited with founding the theory of chemical structure, including the Kekulé structure of benzene. Kekulé is also credited with teaching future Nobel Prize winners, Jacobus Henricus van 't Hoff Jr., Hermann Emil Louis Fischer, and Johann Friedrich Wilhelm Adolf von Baeyer.
47 Jacobus Henricus van 't Hoff(Chemist)
Jacobus Henricus van 't Hoff was a Dutch physical chemist best remembered for winning the first Nobel Prize in Chemistry. Van 't Hoff's work helped found the modern theory of chemical thermodynamics, chemical kinetics, chemical equilibrium, and chemical affinity. A highly popular theoretical chemist, Van 't Hoff is also counted among the founders of physical chemistry.
48 Elias James Corey(Organic Chemist)
49 Thomas Midgley, Jr.(Mechanical and chemical engineer)
Thomas Midgley Jr. was an American chemical and mechanical engineer. Midgley played a key role in the development of leaded gasoline and chlorofluorocarbons (CFCs), which were later banned due to their negative impact on the environment and human health. Thomas Midgley Jr. was granted over 100 patents during his lifetime.
50 Wilhelm Ostwald(Chemist)
Wilhelm Ostwald was a Baltic German philosopher and chemist who is credited with co-founding the field of physical chemistry. A polymath, Ostwald made significant contributions to philosophy, art, and politics, especially after his retirement from academic life. His contributions to the fields of reaction velocities, chemical equilibria, and catalysis earned him the 1909 Nobel Prize in Chemistry.