Home People David Hickman David Hickman movies David Hickman movies David Hickman Movies (4) Broadside: Emerging Empires Collide (2009) As Director. He was 72 years old Zero Hour: Massacre at Columbine High (2004) As Director. He was 67 years old Zero Hour: Massacre at Columbine High (2004) As Writer. He was 67 years old A Brief History of Time (1991) As Producer. He was 54 years old
