Background
Ryoshu Koyama was born on July 24, 1898 in Niigata, Japan. Ryoshu Koyama was born in pedigree that served for generations clan physician of Nagaoka.
Ryoshu Koyama was born on July 24, 1898 in Niigata, Japan. Ryoshu Koyama was born in pedigree that served for generations clan physician of Nagaoka.
After graduating from Nagaoka Junior High School and fourth high school in Kanazawa, Ryoshu Koyama graduated from Tokyo Imperial University School of Medicine in 1923. He entered Pediatrics Department of Izumibashi Jizen (Charity) Hospital and, in 1940, moved to Pharmacological Department of Tokyo University. In 1930, Ryoshu received degree in medicine.
Ryoshu Koyama became Professor Emeritus of Tokyo Women's Medical College (first served at its forerunner Tokyo Women's Medical Academy) in 1945.