ANNOTATED LIST OF PERSONS 337 



Lavoisier, Antoine Laurent (1743-1794). French chemist and physicist. 

 Member of the Academy of Sciences. One of the greatest investi- 

 gators of the 18th century. Founder in chief of modern chemistry. 

 He created chemical nomenclature, determined the composition 

 of air and water, determined the r61e of oxygen in respiration 

 and combustion, and showed that the diamond is a form of carbon. 

 "Nothing can be destroyed, nothing can be created" was one of his 

 favorite expressions. He was guillotined during the French Revo- 

 lution. For portraits see Garrison, p. 325, and Pop. Sci. Monthly, 

 Aug., 1889. 



Le Bel, Joseph Achille (1847 ). French chemist. Wrote on 



stereochemistry. 



Lebert, Hermann (1813-1878). German physician, pathologist, chemist 

 and microscopist. Author of numerous memoirs in German and 

 French. Studied and collected with Robin in France. Professor 

 in Zurich and Breslau. Wrote on various pathological subjects, 

 including p^brine and cancer. 



Lechartier, Georges Vital (1837 ). French chemist. Nonnalien. 



Student of Sainte-Claire-Deville. Wrote on the soy bean (Ann. 

 Sci. Agron., Paris, 1903). 



Leeuwenhoek, Antony van (1632-1723). Dutch microscopist. Some- 

 times called "The father of microscopy." Was elected member 

 of the Royal Society of London and of the Academy of Sciences 

 of Paris. Discovered infusoria, bacteria, spermatozoa, striped 

 muscle fibers, the capillary circulation and "globules" in the blood. 

 He also discovered spiral vessels and pitted vessels in plants and 

 distinguished between the structure of dicotyledonous and mono- 

 cotyledonous stems. A man of limited education but great per- 

 sistency. The first opponent of spontaneous generation. His 

 progenitors were wealthy brewers. For portraits see Garrison, p. 

 243, and Pop. Sci. Monthly, April, 1901. 



Leffcvre, Ame'de'e (1798-1869). French physician and chemist. 



Le"mery, Louis (1677-1743). French chemist. 



Le"mery, "The Younger" ( 1721). French chemist. Brother of 



above. One of these is probably the person mentioned in the text. 



Leplat, F. ( ). French student of anthrax with Jail laird. 



Liebig, Justus von (1803-1873). German organic and agricultural 

 chemist. An industrious analyst, a copious writer, and a competent 

 teacher, who attracted students from all parts of Europe. He 

 organized the first chemical laboratory for students. Studied 

 with The"nard and Gay-Lussac in Paris. Professor in Giessei. 

 and Munich. Discovered chloroform, chloral, aldehyd, hippuric 

 acid, tyrosin and many other substances. Introduced a meat 

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