Geoffrey Radbill, philanthropist, 78, dies after car driver hits his bike on Manhattan street

Geoffrey Radbill, a prominent Manhattan philanthropist whose generosity included major donations to his alma mater, was killed when a car driver rear-ended the bicycle he was riding along Riverside Drive, police said Friday.

Radbill, 78, who has a building named for him at Bowling Green State University, was pedaling near W. 158th St. on Sunday morning when he was struck from behind by a Toyota sedan and suffered severe injuries, according to cops.

Radbill was rushed to Harlem Hospital, where he was pronounced dead.

The driver remained on the scene and was not charged with a crime. An investigation is ongoing, officials said.

Radbill, a longtime Upper West Side resident, was a successful financier and generous supporter of his alma mater, Bowling Green State University in Ohio, wher