Three previous owners, including Norcross, said in a statement that they were deeply saddened by Katz's death.
"Lew's long-standing commitment to the community and record of strong philanthropy across the region, particularly Camden where he was born and raised, will ensure that his legacy will live on," they said.
The event at Goodwin's home in Concord, Massachusetts, was held to support an education initiative by Goodwin's son. Afterward, Katz, Goodwin's friend of nearly 20 years, joined the author and others at dinner, where they talked about their shared interests, including journalism, Goodwin said.
"The last thing he said to me upon leaving for the plane was that most of all what we shared was our love and pride for our children," she said in a statement.
Leeds' husband, James P. Leeds Sr., town commissioner of Longport, New Jersey, said he received a text message from his wife four minutes before the crash saying they were about to take off.
Dalsey's daughter, Chelsea Dalsey, said her mother was also on the plane, but declined to comment further. Marcella Dalsey was also president of KATZ Academy Charter school, which she founded with Lewis Katz, and is the former owner of an ice cream shop in Haddonfield, New Jersey, a suburb of Philadelphia.
The plane was carrying four passengers, two pilots and a cabin attendant, according to the National Transportation Safety Board. NTSB investigator Luke Schiada said a witness reported the plane never got off the ground.
Former Pennsylvania Gov. Ed Rendell said Katz had invited him on the flight, but Rendell had another commitment. Rendell said Katz had been thrilled by the Inquirer deal and died at "maybe the high point of his life."
Dale reported from in Philadelphia. Associated Press writers Stephen Singer and Michael Melia in Hartford, Connecticut, and Geoff Mulvihill in Longport, New Jersey, contributed to this report.