...800 pages, depicted with some 300 pictures and illustrations. This history of the atom and chemistry discusses the lives of about 180 chemists and physicists, through the evolution of several stages of development, representing the most important scientific accomplishments. The most significant discoveries in chemistry and physics are presented chronologically to ill...

...ce. JEAN BAPTISTE DUMAS (1800 -1884) French Chemist 181 Proposed the concept of Functional groups with A. Laurent. JOHANN G. KJELDAHL (1849-1900) Danish Chemist 183 Developed Method to determine Nitrogen in Organic Compounds. AUGUSTE LAURENT (1807-1853) French Chemist 184 Proposed the concept of Functional groups with Jean Dumas. Introduced the Nomenclature to ...