This has been confirmed to be Christopher Tully, father of three, award-winning educator, brother, son, and friend.
From NBC today:
Searchers pulled a man’s body from the Schuylkill River Sunday afternoon.
Members of the Greater Philadelphia Search & Rescue team made the grisly discovery around 1:20 p.m. in the water off Kelly Drive near the Falls Bridge in East Falls, said Philadelphia Police.
The unidentified man’s body was caught in some tree roots along the river bank, said police.