Abstract Jacob Marinoff was a founder and the first superintendent of the JCRS Sanatorium in 1906. He served as the field secretary for four years, doing press and propaganda work in Yiddish. He was also involved in The Sanatorium, a journal from the JCFRS Press and Propaganda Committee. Jacob Marinoff was born in Russia in 1869 and immigrated United States in 1893. He came to Denver in 1895. He married May Charsky, the sister-in-law of Dr. Charles Spivak, in 1899. They were divorced and Jacob...