The body of Timothy Hamlett, a junior and track athlete at the University of Pennsylvania, was found on May 29 in New York’s Hudson River. He was 20 years old.

Mr. Hamlett was born in New York City. He attended Don Bosco Preparatory High School in Ramsey, New Jersey, where he was a member of the varsity basketball and track & field teams. He then attended the University of Pennsylvania, where he majored in philosophy and was a member of the track & field and mid-distance teams.

Mr. Hamlett had been missing since December 26, 2014, when he left his family’s Teaneck, New Jersey home and said he had plans to visit a friend in New York City.

He is survived by his parents, Archibald and Katherine; his grandmother, Irene; his aunts, Charlotte Frink-Paynes and Veronica Hamlett; his uncles, Aaron Frink, Jr. and John Paynes; his cousins, Nakia Benjamin, Michelle Paynes, and Paul and Aaron Frink; and Christopher, Ayanni and Akinde Hanna.

Donations in Mr. Hamlett’s memory may be made to the Timothy Akil Hamlett Fund in support of the Summer Law Institute at the New York University School of Law.