
Caption
Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/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).