You will be given a definition of a task first, then some input of the task.
Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.

Tagalog sentence: Panahon na ito siya na ginugol ng dalawang taon bilang isang pananaliksik na bisita sa Princeton University nagtatrabaho sa ilalim ng Veblen.
Output:
During this period he spent two years as a research visitor at Princeton University working under Veblen .