Complex sentence: As a teenager, he studied privately with painter Frank B. A. Linton, a former student of Thomas Eakins, and spent a year in Stockholm in the atelier of painter Otte Sköld.
Split into simpler sentences: As a teenager, he studied privately with painter Frank B. A. Linton, a former student of Thomas Eakins. He spent a year in Stockholm in the atelier of painter Otte Sköld.