Complex sentence: Robins moved to the psychiatric department at Washington University in 1949, initially as a pharmacology fellow working in the lab of biochemist Oliver H. Lowry, author of the most cited scientific paper ever (on a method for measuring proteins).
Split into simpler sentences: Robins moved to the psychiatric department at Washington University in 1949. He was initially as a pharmacology fellow working in the lab of biochemist Oliver H. Lowry, author of the most cited scientific paper ever (on a method for measuring proteins).