Davor Kudrnovski, born 28 May 1966 in Pakrac. Finished primary school and high school in Daruvar. He studied the Joint programme of geology at the Faculty of Minig Geology and Petroleum Engineering and the Faculty of Science, University of Zagreb and graduated in 1993 with diploma work in mineralogy and petrology (title: "Sedimentological research of the clastic Sennonian deposits from Veliki potok creek at southern slopes of the Medvednica Mt."). In 1994 he started a Postgraduate study of geology at the Faculty of Science, University of Zagreb and obtained a M.Sc degree in 1997 with master thesis "Crystalochemistry of micas from a metamorphic complex in the vicinity of village Nežilovo, Macedonia". From 1993 to 2001 he lead the exercises in mineralogy as a younger assistant and assistant. Since 2001 he works as a councelor for informatics at Departments of Geology and Geophysics of the Faculty of Science.