Friedrich Heinrich Emanuel Kayser (March 26, 1845 – November 29, 1927) was a German geologist and palaeontologist, born in Königsberg.
He was educated at the universities of Halle, Heidelberg and Berlin, where in 1871 he qualified as a lecturer in geology.
From 1873 he worked as a state geologist for the Preußischen Geologischen Landesanstalt (Prussian Geological Survey), and in 1881 became a professor at the Berlin Mining Academy.
[1][2] He is known for his work involving the stratigraphy, tectonics and paleontology of Paleozoic formations in Germany; especially the Harz and the Rhenish Massif.
(the volume first issued) was translated and edited by Philip Lake, under the title Textbook of Comparative Geology (1893).