April

 

1

b. 1860 Sergei N. Reformatsky synthesized organozinc halides (Reformatsky reaction).

 

 

 

 

 

Richard Zsigmondy b. 1865 Richard A. Zsigmondy, Nobel Prize (1925) for the elucidation of the heterogeneous nature of colloidal solutions & for the methods he devised; introduced the ultramicroscope for study of colloidal solutions.

 

 

 

 

?  The Electrochemical Society organized as tht American Electrochemical Society, 1902.

? Julian Stone reported in Applied Physics Letters on new type of fiber made of quartz & filled with tetrachloroethylene that may be able to carry light, 1972.

 

2

 Photo of Carl L. Alsberg, M.D.   b. 1877 Carl L. Alsberg, researcher on chemistry and metabolism of proteins; chief of  the Bureau of Chemistry, US Department

   of  Agriculture (1912-1921) for drug regulation.

 

 

 

b. 1900 Melville L. Wolfrom, research on structural forms of sugar & structure of heparin and streptomycin; founded Advances in Carbohydrate Chemistry

 

 

 

 

? Francis H. C. Crick & James D. Watson mailed 900-word article on structure of deoxyribonucleic acid (DNA) to Nature, 1953.

 

3

? The Electrochemical Society was organized on this date in 1902 as the American Electrochemical Society.

 

4

b. 1867 Otto Folin, pioneer in clinical chemistry; Folin-Wu reagent for glucose analysis.

? Ira Remsen awarded first Priestley Medal, 1923.

? Synthesis of vitamin B6 announced by Merck, Sharp & Dohme, 1939.

 

5

 b. 1827 Joseph Lister introduced antiseptics, such as carbolic acid (phenol).

? Marshall Gates & G. Tschudi announced synthesis of morphine, 1956.

 

 

 

 

 

6

James Walker b. 1863 James Walker, researcher on hydrolysis, ionization constants & amphoteric electrolytes with organic compounds.

 

 

 

 

 

Edmond H. Fischer b. 1927 Edmond H. Fischer, researcher on protein phosphorylation as a biological regulatory mechanism; Nobel Prize in Medicine (1992) with Edwin G. Krebs for their discoveries concerning reversible protein phosphorylation as a biological regulatory mechanism.  live

 

 

 

 

Paul Crutzenb. 1927 Paul J. Crutzen, researcher on air pollution, particularly ozone layer; Nobel Prize (1995) with M. J. Molina & F. S. Rowland for their work in atmospheric chemistry, particularly concerning the formation and decomposition of ozone.

live

 

 

 

James Watson b. 1928 James D. Watson, researcher on the double helix structure of the deoxyribonucleic acid (DNA) molecule; Nobel Prize (1962) with Francis H. C. Crick & Maurice H. F. Wilkins for their discoveries concerning the molecular structure of nuclear acids and its significance for information transfer in living material. *

 

 

 

? First official organizational meeting of the American Chemical Society, College of Pharmacy of the City of New York (now New York University), 1876.

 

7

Louis Plack Hammett, photo b. 1894 Louis P. Hammett developed Hammett equation for linear free-energy relationship and correlation of changes in chemical properties with chemical structures.

 

 

 

 

 b. 1914 Walter H. Stockmayer, a researcher in polymer chemistry.

 

 

 

 

 

? New law instituted the metric decimal system in France & the nomenclature for the system was established 1795.

 

8

Melvin Calvin b. 1911 Melvin Calvin, Nobel Prize (1961) for his research in photosynthesis. d. 1997

 

 

 

 

 

9

 

 b. 1930 F. Albert Cotton researcher in inorganic and structural chemistry. *

? Ignacio Tinoco,Jr., proposed simple method for estimating secondary structure of ribonucleic acid (RNA) from sequence of nucleotides, 1971.

 

 

 

 

10

Bernardo Houssay b. 1887 Bernardo Alberto Houssay, Nobel Prize in Physiology or Medicine 1947 for his discovery of the part played by the

 

hormone of the anterior pituitary lobe in the metabolism of sugar with Gerty T. Cori and Carl F. Cori for their research on the hormone of the anterior lobe and its role in the metabolism of sugar; discovered how glycogen is catalytically converted.

 

 

 

 b. 1900 Arnold O. Beckman developed the pH meter; founded Beckman Instruments, 1934.

 

 

 

 

 

Robert B. Woodwardb. 1917 Robert B. Woodward, researcher in stereoselective organic synthesis; Woodward-Hoffman rules; Nobel Prize (1969) for his outstanding achievements in the art of organic synthesis.

 

 

 

 

? Patent Office established (Constitution, Art. 8, Sec 1) 1790: First patent on Potash and Pearl Ash to Samuel Hopkins. 

? Emil Fischer discovered glucose, 1891.

? A. M. Collins synthesized polychloroprene, 1930.

 

11

b. 1804 Otto Erdmann, professor of chemical technology, U. Leipzig; redetermined atomic weights of elements with R. F. Marchand. 

 b. 1899 Percy L. Julian cosynthesized physostigmine, 1935; founded Julian Laboratories, 1953; prepared intermediates for commercial production of steroid hormones.

 

 

 

b. 1938 Reatha Clark King, professor of chemistry and administrator.

? Humphry Davy discovered nitrous oxide, laughing gas, 1799.

? Robert B. Woodward & W. von Eggers Doering synthesized quinine, 1944.

                                   

12

b. 1872 Georges Urbain codiscovered lutetium (Lu, 71), 1907, with K. Auer von Welsbach; discovered the law of optimum phosphorescence of binary systems; researcher in isomorphism; chemical-composer.

 

 

 

 b. 1884 Otto F. Meyerhof, researcher on muscle metabolism; shared Nobel Prize in Medicine (1922) for his discovery of the fixed relationship between the consumption of oxygen and the metabolism of lactic acid in the muscle with Archibald Vivian Hill for his discovery relating to the production of heat in the muscle.

 

 

 

13

b. 1760 Thomas Beddoes, studied medical treatment of disease by the therapeutic inhalation of different "factitious airs" or gases and vapors; established Pneumatic Institution for Inhalation Gas Therapy, 1798,.

 

 

 

? Tobern Bergman confirmed Müller von Reichenstein's results that the substance isolated from a bismuth ore was a new element tellurium (Te, 52), 1784.

? The paper on the discovery of crown ethers and their complexes ?Cyclic polyethers and their complexes with metal salts? by C. P. Pedersen was received on this day, 1967; Published in J. Am. Chem. Soc., 1967, 89, 7017.

 

14

? NASA's Nimbus III weather satellite made first civilian use of nuclear batteries, 1969.

 

15

b. 1710 William Cullen, first to notice that heat is produced during compression of a gas.

 b. 1896 Nikolai N. Semenov, researcher in chemical kinetics; Nobel Prize (1956) with Cyril N. Hinshelwood for their researches into the mechanism of chemical reactions.

 

 

 

? Ernest Solvay received his first patent entitled "Industrial Production of Sodium Carbonate by Means of Marine Salt, Ammonia, & Carbon Dioxide", 1861.

? Albert Ghiorso announced the discovery of rutherfordium (Rf, 104) by Ghiorso, et al., at University of California, Berkeley, 1969. 

 

16

b. 1728 Joseph Black developed concept of latent heat & laid foundation for modern quantitative analysis.

 

 

 

 

b. 1838 Ernest Solvay, developed Solvay process for making commercial soda cheaply.

 

 

 

 

 

b. 1850 Sidney G. Thomas solved the problem of separating phosphorus from iron in the Bessemer Converter.

b. 1921 Marie M. Daly, first black woman to earn a PhD in chemistry, 1948 (Columbia University).

? Albert Hofmann accidentally discovered the hallucinogenic effects of lysergic acid diethylamide (LSD), 1943.

? Humphry Davy performed first physiological experiment on nitrous oxide by inhaling it, 1799.

 

17

b. 1869 Robert Robertson, researcher in explosives including amato. and tetryl (trinitrophenylmethylnitramine).

 

18

 b. 1898 W. Albert Noyes, Jr., researcher in photochemistry; editor of Journal of American Chemical Society, 1950 ‑1962.

 

 

 

 

b. 1838 P.  E. Lecoqde Boisbaudran discovered gallium (Ga, 31), dysprosium (Dy, 66), and samarium (Sm, 62).

b. 1864 Samuel C. Hooker, sugar chemist.

b. 1868 Marston T. Bogart, researcher on synthesis of quinazolines & thiazoles.

? Quantum Chemical incorporated as National Distillery Products Corp., 1924.

 

19

b. 1912 Glenn T. Seaborg codiscovered americum (Am, 95) 1944, berkelium (Bk, 97) 1950,  californium (Cf, 98) 1950, curium (Cm,96) 1944, einsteinium (Es,99) 1952, fermium (Fm,100) 1953, mendelevium (Md,101) 1955, nobelium (No,102) 1958, plutonium (Pu,94) 1940, & element 106, 1974; Nobel Prize (1951) for discoveries in transuranium elements, with Edwin M. McMillan.*

 

 

? Antoine L. Lavoisier admitted that he & Joseph Priestley discovered the same facts about oxygen but claimed the right to its discovery because he recognized it as an element - Priestley explained its formation in terms of phlogiston, 1776.

 

20

b. 1912 Gertrude E. Perlmann, research in protein chemistry, Garvan Medal, 1965.

 

 

 

 

21

 

b. 1774 Jean-Baptiste Biot discovered optical activity.

 

 

 

 

 

 

 b. 1882 Percy W. Bridgman studied effect of pressure on substances; showed that viscosity increases with high pressure; Nobel Prize in Physics (1946) for the invention of an apparatus to produce extremely high pressures, and for the discoveries he made therewith in the field of high pressure physics.

 

 

  b. 1889 Paul Karrer synthesized vitamins A, 1931, B2 (riboflavin), 1935 and E (tocopherol), 1938; Nobel Prize (1937) for his investigations on carotenoids, flavins and vitamins A and B2 with Walter N. Haworth for his investigations on carbohydrates and vitamin C.

 

 

 

? Earth Day, founded by Sen. Gaylord Nelson, Father of Earth Day.

? Pfizer, Inc. incorporated 1900.

? Nalco Chemical Co. incorporated as National Aluminate Corp., 1928.

 

22

b. 1919 Donald J. Cram researcher in application of stereochemical techniques to organic reaction mechanism; invented carceplexes or guest molecules completely encapsulated by host; synthesized a variety of host-guest complexes including crown ether complexes and won Nobel Prize in 1987 with C. J. Pedersen and J-M. P. Lehn for their development and use of molecules with structure-specific interactions of high selectivity.

 

? Earth Day, celebrated by ACS, 2006.

 

23

b. 1858 Max K. E. L. Planck introduced quantum theory, 1900; researcher in thermodynamics; Nobel Prize (1918) in recognition of the services he rendered to the advancement of Physics by his discovery of energy quanta.

 

 

 

? Rohm & Haas Co., incorporated, 1917.

 

24

b. 1817 Jean C. de Marignac discovered gadolinium (Gd, 64), 1880.

 

25

b. 1900 Wolfgang Pauli discovered the exclusion principle; Nobel Prize, Physics (1945) for the discovery of the Exclusion Principle, also called the Pauli Principle.

 

 

 

 

? James D. Watson & Francis H. C. Crick, "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" published in Nature, 1953.

 

26

b. 1834 Hugo Joseph Schiff, discovered condensation products of aldehydes and amines, Schiff Bases; invented color test  to distinguish aldehydes from ketones.

 

b. 1932 Michael Smith invented oligonucleotide-based, site-directed mutagenesis of DNA; Nobel Prize (1993) for his fundamental contributions to the establishment of oligonucleotide-based, site-directed mutagenesis and its development for protein studies with Kary B. Mullis  for his invention of the polymerase chain reaction (PCR) method.

 

 

? Antoine L. Lavoisier reported that heated mercury forms red calyx, HgO, while the air is reduced in volume & no longer supports combustion, heated red calyx to liberate oxygen, 1775.

 

27

b. 1880 Charles James, devised crystallization methods for separating the rare earth elements.

 

 

 

 

 

b. 1896 Wallace H. Carothers developed Nylon, 1935. *

 

 

 

 

 

 b. 1913 Philip H. Abelson codiscovered neptunium (Np, 93) with Edwin M. McMillan, 1940.

 

 

 

 

 

? Albert Ghiorso, et al., announced discovery of hafnium (Ha, 105) produced by bombardment of californium‑249 (Cf, 98) with nitrogen‑15 (N, 7), 1970.

 

28

b. 1753 Franz K. Achard invented process for extraction of sugar from sugar beets & opened first beet sugar factory, 1801; first to prepare platinum crucible, 1784.

 b. 1924 Alfred Bader founded the Aldrich Chemical Co. in 1951 and cofounded Sigma-Aldrich Corp. in 1975. *

 

 

 

 

 

 b. 1941 K. Barry Sharpless discovered and developed many catalytic oxidation processes for stereoselective oxidation; Nobel Prize (2001) shared with William S. Knowles and Ryoji Noyori for their work on chirally catalyzed hydrogenation reactions.

 

 

 

? Champion International incorporated, 1937.

 

29

 b. 1893 Harold C. Urey, first to isolate heavy water (D2O), 1932; Nobel Prize (1934) for the discovery of heavy hydrogen or deuterium (D, 1), 1932.

 

 

 

 

? Atlantic Richfield Co., incorporated 1870.

? Nashua incorporated as Nashua Card, Gummed & Coated Paper, 1904.

 

30

? Joseph J. Thomson announced discovery of the electron as a body smaller than atoms but a constituent of it, 1897.

? Albert Ghiorso, et al., announced the discovery of mendelevium (Md, 101) based upon research done at the University of California, Berkeley, 1958.