Complex sentence: Kalm studied at the Academy of Åbo from 1735, and from 1740 at the University of Uppsala, where he became one of the first students of the renowned naturalist Carolus Linnaeus.
Split into simpler sentences: Kalm studied at the Academy of Åbo from 1735. In 1740 he entered the University of Uppsala, where he became one of the first students of the renowned naturalist Carolus Linnaeus.