A. G. Werner
| Abraham Gottlob Werner | |
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| Born | 25 September 1749 Wehrau, Prussian Silesia (now Osiecznica, Poland) |
| Died |
30 June 1817 (aged 67) Dresden, Kingdom of Saxony |
| Nationality | German |
| Known for | |
| Scientific career | |
| Fields | Geology |
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Abraham Gottlob Werner (25 September 1749 – 30 June 1817) was a German geologist who set out an early theory about the stratification of the Earth's crust and propounded a history of the Earth that came to be known as Neptunism. While most tenets of Neptunism were eventually set aside, Werner is remembered for his demonstration of chronological succession in rocks; for the zeal with which he infused his pupils; and for the impulse he thereby gave to the study of geology. He has been called the "father of German geology".
Werner was born in Wehrau (now Osiecznica, Lower Silesian Voivodeship), a village in Prussian Silesia. His family had been involved in the mining industry for many years. His father, Abraham David Werner, was a foreman at a foundry in Wehrau.
Werner was educated at Freiberg and Leipzig, where he studied law and mining, and was then appointed as Inspector and Teacher of Mining and Mineralogy at the small, but influential, Freiberg Mining Academy in 1775.
While in Leipzig, Werner became interested in the systematic identification and classification of minerals. Within a year he published the first modern textbook on descriptive mineralogy, Von den äusserlichen Kennzeichen der Fossilien (On the External Characters of Fossils, or of Minerals; 1774).
During his career, Werner published very little, but his fame as a teacher spread throughout Europe, attracting students, who became virtual disciples, and spread his interpretations throughout their homelands, e.g. Robert Jameson who became professor at Edinburgh and Andrés Manuel del Río who discovered vanadium. Socratic in his lecturing style, Werner developed an appreciation for the broader implications and interrelations of geology within his students, who provided an enthusiastic and attentive audience.
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