
Caption
The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)
Leon Martel was the author, with Herman Kahn and William Brown, of Hudson Institute's The Next Two Hundred Years: A Scenario for America and the Wo
Leon Martel was the author, with Herman Kahn and William Brown, of Hudson Institute's The Next Two Hundred Years: A Scenario for America and the World (William Morrow & Co, 1976).