Raúl Iturriaga, a former deputy director of the Chilean secret police, was captured in Viña del Mar after having been on the run following a kidnapping conviction.
Leo Szilard (pictured) penned a letter, signed by Albert Einstein and addressed to U.S. president Franklin D. Roosevelt, warning that Germany may develop atomic bombs, leading to the establishment of the Manhattan Project.
At the California Institute of Technology, American physicist Carl David Anderson proved the existence of antimatter with the discovery of the positron, for which he would receive the 1936 Nobel Prize in Physics.
Nepalese author Krishna Lal Adhikari (pictured) was sentenced to nine years in prison for publishing a book about the cultivation of corn alleged to contain attacks on the ruling dynasty.