Abstract Chan Doo Sung (1898-1971) was born in Canton, China. At age 18, Chan set sail from China on the S.S Shinyo Maru. He was admitted into the U.S. as a student and entered the U.S. at Angel Island in San Francisco in 1916. Chan came to intern with his uncle, who ran Chinese medicine offices in the U.S successfully, so to speak and learn English and take over one of the offices. Chan got married in 1922, and practiced Chinese herbal medicine for more than a decade til he ran out all the herbs he...