Mary Kim Joh

Mary C. Kim Joh (1904 – February 9, 2005), also known as Che Sik Cho , was a Korean-American music composer, academic and medical research scientist. Joh is best known for writing "School Bell" (학교종 Hak'kyo Jong) in 1945. This children's song is taught to pre-school students in South Korea.

Early life Joh, née Kim Sam-sik (김삼식), was born in Seoul in 1904. She was the daughter of Kim Ik-seung, the founder of one of Korea's first joint-stock companies, and a niece of Kim Kyu-sik. She graduated from Ewha Womans University. In 1930, she was awarded a master's degree in music at the University of Michigan. Later in life, she earned a master's degree in science from Wayne State University.

In the United States, Joh changed professions. She began a second career working in a hospital laboratory. This list is not finished; you can help Wikipedia by adding to it. Folk songs of Korea: original folk melodies and national anthem, 1950

Honors Ewha University, honoris causa 1980