All this is covered in Ian Bonhôte and Peter Ettedgui’s dutiful and moving film, which is anchored by new interviews with Reeve’s three adult children: Matthew Reeve and Alexandra Reeve Givens (by former partner Gae Exton) and Will Reeve (by Reeve’s widow Dana, who died of cancer at 44, less than 18 months after her husband’s death).

PHILADELPHIA — Princeton, New Jersey-raised actor Christopher Reeve was best known for playing Superman. But his superpower was his fight for advancements in spinal cord injury research and better quality of life for those with paralysis.