In February of 1960 Kurchatov went to a performance of Mozart's Requiem. He had always enjoyed Mozart, and talked about the concert with Marina Khariton when he visited the Kharitons three days later. After chatting and joking with the Kharitons, he asked Yuli to take a walk with him and "talk shop."
wiped snow off two spaces on a park bench for them to sit and talk. While
he described his recent projects, Khariton sensed something was wrong
because Kurchatov hadn't said anything for a while. When he looked into
Kurchatov's face he saw no life. He tried to rouse him, but Kurchatov
was dead. He died from a blood clot in his brain.
In October, the United States and Britain also suspend atmospheric testing.
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