Complex sentence: In 1893 he became head of the Geological-Paleontological Department of the Croatian National Museum in 1893 and was engaged in paleontology, stratigraphy, tectonics, paleoclimatology, and also in applied geology, geological mapping and hydrography.
Split into simpler sentences: In 1893 he became head of the Geological-Paleontological Department of the Croatian National Museum. He was engaged in paleontology, stratigraphy, tectonics, paleoclimatology, applied geology, geological mapping, and hydrography.