Career
In 1916 Yost published what he called “…facts in relation to some phenomena …” related to the “occult manifestations” of Patience Worth, a spirit entity channeled by Pearl Curran from 1913 through 1937. This book titled Patience Worth: A Psychic Mystery brought the novels, plays, and poems of Patience Worth to the attention of the general public. The liberty ship Steamship Casper South. Yost, launched in 1944, was named for him.
He was born in Sedalia, Missouri, and died in Saint Louis.