A 1930s picture taken by a Japanese photographer shows Xi’an county’s town center (today part of Liaoyuan city, Jilin Province), which was the nearest town to Dr. Chang’s home village. Notice the bilingual billboard in the middle, which juxtaposes…

In a 1967 article, Dr. Gabriel D. Boehler briefly introduced Dr. Chang’s career and recalled that Chang “was in June 1963 Director of a very successful Symposium on Plasma Space Sciences which attracted world attention.” The symposium marked the…