"1873Z"^^ . "Germanchemist" . . . . . . . . . . . . . . . . . "Justus Freiherr von Liebig (12 May 1803 \u2013 18 April 1873) was a German chemist who made major contributions to agricultural and biological chemistry, and was considered the founder of organic chemistry. As a professor at the University of Giessen, he devised the modern laboratory-oriented teaching method, and for such innovations, he is regarded one of the greatest chemistry teachers of all time."@en . . "1873-04-18Z"^^ . . . . . "Justus von Liebig"@en . . . . . . "1803-05-12Z"^^ . "Liebig, Justus von"@en . . . . . "1803Z"^^ . . .