Casper Salathiel Yost (1863-1941) was the longtime editor of the St. Louis Globe-Democrat, where he started working in 1889. He was the founder of the American Society of Newspaper Editors and was influential in developing its code of ethics. Yost was a prominent member of the St. Louis Civitan Club, serving as president of the board of governors for many years before his death. The liberty ship SS Casper S. Yost, launched in 1944, was named for him. He was born in Sedalia, Missouri, and died in St. Louis.