Deng Jiaxian (1924-1948) was a prominent Chinese physicist and key figure in China's nuclear program. Here are some of his significant achievements during this period:

1. In 1945, Deng Jiaxian was awarded a government scholarship to study in the United States, where he pursued his higher education at Purdue University and the University of Chicago.

3. As a member of the Chinese nuclear research team, he made important contributions to the theoretical and experimental aspects of atomic bomb development.

4. Deng Jiaxian worked closely with other scientists and researchers in the program, including Qian Sanqiang and Zhu Guangya, to overcome various technical challenges and eventually successfully detonated China's first atomic bomb, codenamed "596," on October 16, 1964.

6. Tragically, Deng Jiaxian's life was cut short when he died in a car accident in August 198

6. However, his contributions to China's nuclear program and scientific community have left a lasting impact.