Education
1873-1874 he studied petrographic microscopy at University of Leipzig under Ferdinand Zirkel.
1873-1874 he studied petrographic microscopy at University of Leipzig under Ferdinand Zirkel.
After studies at the Royal Institute of Technology (Kungliga Tekniska Högskolan) 1855-1858, he worked at the Geological Survey of Sweden (SGU) 1859-1873, from 1870 as its head In 1874 he quit SGU for private activity as a geologist, and for a number of years he conducted geological surveys for various Swedish companies. He taught geology and mineralogy at Kungliga Tekniska Högskolan from 1878 and held a position as lecturer 1885-1897.
He returned to SGU as head in 1897, succeeding Otto Torell, and was named professor
He remained on the post until 1906. The mountain range of Törnbohmfjella in Nathorst Land at Spitsbergen, Svalbard is named after him.
Royal Swedish Academy of Sciences]
He was elected member of the Royal Swedish Academy of Sciences in 1876.