(1927–2001) US writer; pen names Jonathan Ryder, Michael Shepherd. He wrote suspense novels, including The Bourne Identity (1980), The Matarese Countdown (1997), and The Prometheus Deception (2000).
Definition of Ludlum, Robert in US English:
Ludlum, Robert
proper nounˈlədləm
(1927–2001) US writer; pen names Jonathan Ryder, Michael Shepherd. He wrote suspense novels, including The Bourne Identity (1980), The Matarese Countdown (1997), and The Prometheus Deception (2000).